22211021000212 has 96 divisors (see below), whose sum is σ = 43309297188864. Its totient is φ = 9882745488000.

The previous prime is 22211021000177. The next prime is 22211021000261. The reversal of 22211021000212 is 21200012011222.

It is a happy number.

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, 239134093 + ... + 239226955.

It is an arithmetic number, because the mean of its divisors is an integer number (451138512384).

Almost surely, 2^{22211021000212} is an apocalyptic number.

22211021000212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

22211021000212 is a deficient number, since it is larger than the sum of its proper divisors (21098276188652).

22211021000212 is a wasteful number, since it uses less digits than its factorization.

22211021000212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93589 (or 93587 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 22211021000212 its reverse (21200012011222), we get a palindrome (43411033011434).

The spelling of 22211021000212 in words is "twenty-two trillion, two hundred eleven billion, twenty-one million, two hundred twelve", and thus it is an aban number.