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222101121001121 = 1736911857918247
BaseRepresentation
bin110010011111111111110010…
…011010111110011010100001
31002010101122210222221111212222
4302133333302122332122201
5213102401043434013441
62104211502454400425
764532163553225025
oct6237776232763241
91063348728844788
10222101121001121
116484a613705a7a
1220ab0828060115
1396c107993b38b
143cbba745da385
151aa255e770d4b
hexc9fff26be6a1

222101121001121 has 8 divisors (see below), whose sum is σ = 223708220405184. Its totient is φ = 220497737435280.

The previous prime is 222101121001043. The next prime is 222101121001127. The reversal of 222101121001121 is 121100121101222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 222101121001121 - 210 = 222101121000097 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 222101121001121.

It is not an unprimeable number, because it can be changed into a prime (222101121001127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 928839581 + ... + 929078666.

It is an arithmetic number, because the mean of its divisors is an integer number (27963527550648).

Almost surely, 2222101121001121 is an apocalyptic number.

It is an amenable number.

222101121001121 is a deficient number, since it is larger than the sum of its proper divisors (1607099404063).

222101121001121 is a wasteful number, since it uses less digits than its factorization.

222101121001121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1857919111.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 222101121001121 its reverse (121100121101222), we get a palindrome (343201242102343).

The spelling of 222101121001121 in words is "two hundred twenty-two trillion, one hundred one billion, one hundred twenty-one million, one thousand, one hundred twenty-one".

Divisors: 1 173 691 119543 1857918247 321419856731 1283821508677 222101121001121