21011022000222 has 16 divisors (see below), whose sum is σ = 42022089971712. Its totient is φ = 7003666338200.

The previous prime is 21011022000139. The next prime is 21011022000253. The reversal of 21011022000222 is 22200022011012.

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, 7877347 + ... + 10201697.

It is an arithmetic number, because the mean of its divisors is an integer number (2626380623232).

Almost surely, 2^{21011022000222} is an apocalyptic number.

21011022000222 is an abundant number, since it is smaller than the sum of its proper divisors (21011067971490).

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

21011022000222 is a wasteful number, since it uses less digits than its factorization.

21011022000222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3830943.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 21011022000222 its reverse (22200022011012), we get a palindrome (43211044011234).

The spelling of 21011022000222 in words is "twenty-one trillion, eleven billion, twenty-two million, two hundred twenty-two", and thus it is an aban number.