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222101110122213 = 3713053181024763
BaseRepresentation
bin110010011111111111110001…
…110001011110011011100101
31002010101122210020110210211110
4302133333301301132123211
5213102401033142402323
62104211501425255233
764532163361605060
oct6237776161363345
91063348706423743
10222101110122213
116484a608555543
1220ab0824494519
1396c10775cc75a
143cbba72da78d7
151aa255d822793
hexc9fff1c5e6e5

222101110122213 has 16 divisors (see below), whose sum is σ = 338442383822336. Its totient is φ = 126913946206320.

The previous prime is 222101110122209. The next prime is 222101110122217. The reversal of 222101110122213 is 312221011101222.

It is an interprime number because it is at equal distance from previous prime (222101110122209) and next prime (222101110122217).

It is not a de Polignac number, because 222101110122213 - 22 = 222101110122209 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 222101110122213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222101110122217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37771231 + ... + 43253532.

It is an arithmetic number, because the mean of its divisors is an integer number (21152648988896).

Almost surely, 2222101110122213 is an apocalyptic number.

It is an amenable number.

222101110122213 is a deficient number, since it is larger than the sum of its proper divisors (116341273700123).

222101110122213 is a wasteful number, since it uses less digits than its factorization.

222101110122213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81155304.

The product of its (nonzero) digits is 192, while the sum is 21.

Adding to 222101110122213 its reverse (312221011101222), we get a palindrome (534322121223435).

The spelling of 222101110122213 in words is "two hundred twenty-two trillion, one hundred one billion, one hundred ten million, one hundred twenty-two thousand, two hundred thirteen".

Divisors: 1 3 7 21 130531 391593 913717 2741151 81024763 243074289 567173341 1701520023 10576243339153 31728730017459 74033703374071 222101110122213