102211112020012 has 48 divisors (see below), whose sum is σ = 181399280654592. Its totient is φ = 50385312296000.

The previous prime is 102211112020007. The next prime is 102211112020013. The reversal of 102211112020012 is 210020211112201.

It is a super-2 number, since 2×102211112020012² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (102211112020013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3464651262 + ... + 3464680762.

It is an arithmetic number, because the mean of its divisors is an integer number (3779151680304).

Almost surely, 2^{102211112020012} is an apocalyptic number.

It is an amenable number.

102211112020012 is a deficient number, since it is larger than the sum of its proper divisors (79188168634580).

102211112020012 is a wasteful number, since it uses less digits than its factorization.

102211112020012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50838 (or 50836 counting only the distinct ones).

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

Adding to 102211112020012 its reverse (210020211112201), we get a palindrome (312231323132213).

The spelling of 102211112020012 in words is "one hundred two trillion, two hundred eleven billion, one hundred twelve million, twenty thousand, twelve".