22102011101212 has 24 divisors (see below), whose sum is σ = 44204574687840. Its totient is φ = 9472172082240.

The previous prime is 22102011101189. The next prime is 22102011101237. The reversal of 22102011101212 is 21210111020122.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2633839 + ... + 7151302.

It is an arithmetic number, because the mean of its divisors is an integer number (1841857278660).

Almost surely, 2^{22102011101212} is an apocalyptic number.

It is an amenable number.

22102011101212 is an abundant number, since it is smaller than the sum of its proper divisors (22102563586628).

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

22102011101212 is a wasteful number, since it uses less digits than its factorization.

22102011101212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9865821 (or 9865819 counting only the distinct ones).

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

Adding to 22102011101212 its reverse (21210111020122), we get a palindrome (43312122121334).

The spelling of 22102011101212 in words is "twenty-two trillion, one hundred two billion, eleven million, one hundred one thousand, two hundred twelve".