111211001210022 has 64 divisors (see below), whose sum is σ = 261069109668864. Its totient is φ = 30915520352640.

The previous prime is 111211001209999. The next prime is 111211001210051. The reversal of 111211001210022 is 220012100112111.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 111211001209983 and 111211001210010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 220202872 + ... + 220707332.

It is an arithmetic number, because the mean of its divisors is an integer number (4079204838576).

Almost surely, 2^{111211001210022} is an apocalyptic number.

111211001210022 is an abundant number, since it is smaller than the sum of its proper divisors (149858108458842).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

111211001210022 is a wasteful number, since it uses less digits than its factorization.

111211001210022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 646373.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 111211001210022 its reverse (220012100112111), we get a palindrome (331223101322133).

The spelling of 111211001210022 in words is "one hundred eleven trillion, two hundred eleven billion, one million, two hundred ten thousand, twenty-two".