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222100112120101 = 17113115616924581
BaseRepresentation
bin110010011111111110110110…
…010010011001100100100101
31002010101120012200120001022021
4302133332312102121210211
5213102342012200320401
62104211214414503141
764532126552664655
oct6237766622314445
91063346180501267
10222100112120101
116484a146176806
1220ab05a6204ab1
1396c0c48911a67
143cbb9ba61a365
151aa2500dd82a1
hexc9ffb6499925

222100112120101 has 8 divisors (see below), whose sum is σ = 237245929242264. Its totient is φ = 207185528847360.

The previous prime is 222100112120099. The next prime is 222100112120167. The reversal of 222100112120101 is 101021211001222.

It can be written as a sum of positive squares in 4 ways, for example, as 32445375876 + 222067666744225 = 180126^2 + 14901935^2 .

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 222100112120101 - 21 = 222100112120099 is a prime.

It is a super-2 number, since 2×2221001121201012 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222100112121101) 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, 57808460370 + ... + 57808464211.

It is an arithmetic number, because the mean of its divisors is an integer number (29655741155283).

Almost surely, 2222100112120101 is an apocalyptic number.

It is an amenable number.

222100112120101 is a deficient number, since it is larger than the sum of its proper divisors (15145817122163).

222100112120101 is a wasteful number, since it uses less digits than its factorization.

222100112120101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115616924711.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 222100112120101 its reverse (101021211001222), we get a palindrome (323121323121323).

The spelling of 222100112120101 in words is "two hundred twenty-two trillion, one hundred billion, one hundred twelve million, one hundred twenty thousand, one hundred one".

Divisors: 1 17 113 1921 115616924581 1965487717877 13064712477653 222100112120101