122226560211555 has 80 divisors (see below), whose sum is σ = 219689802196128. Its totient is φ = 65012803200000.

The previous prime is 122226560211533. The next prime is 122226560211563. The reversal of 122226560211555 is 555112065622221.

122226560211555 is a `hidden beast` number, since 1 + 2 + 2 + 2 + 2 + 6 + 560 + 21 + 15 + 55 = 666.

It is not a de Polignac number, because 122226560211555 - 2⁵ = 122226560211523 is a prime.

It is a super-2 number, since 2×122226560211555² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 122226560211555.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 906314880 + ... + 906449730.

Almost surely, 2^{122226560211555} is an apocalyptic number.

122226560211555 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

122226560211555 is a deficient number, since it is larger than the sum of its proper divisors (97463241984573).

122226560211555 is a wasteful number, since it uses less digits than its factorization.

122226560211555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140850 (or 140841 counting only the distinct ones).

The product of its (nonzero) digits is 720000, while the sum is 45.

The spelling of 122226560211555 in words is "one hundred twenty-two trillion, two hundred twenty-six billion, five hundred sixty million, two hundred eleven thousand, five hundred fifty-five".