22010110111212 has 48 divisors (see below), whose sum is σ = 52988017488000. Its totient is φ = 7106264691840.

The previous prime is 22010110111193. The next prime is 22010110111217. The reversal of 22010110111212 is 21211101101022.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 22010110111191 and 22010110111200.

It is not an unprimeable number, because it can be changed into a prime (22010110111217) 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, 160852462 + ... + 160989237.

It is an arithmetic number, because the mean of its divisors is an integer number (1103917031000).

Almost surely, 2^{22010110111212} is an apocalyptic number.

It is an amenable number.

22010110111212 is an abundant number, since it is smaller than the sum of its proper divisors (30977907376788).

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

22010110111212 is a wasteful number, since it uses less digits than its factorization.

22010110111212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321841886 (or 321841884 counting only the distinct ones).

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

Adding to 22010110111212 its reverse (21211101101022), we get a palindrome (43221211212234).

The spelling of 22010110111212 in words is "twenty-two trillion, ten billion, one hundred ten million, one hundred eleven thousand, two hundred twelve".