22021001012210 has 64 divisors (see below), whose sum is σ = 41934682782720. Its totient is φ = 8312259056640.

The previous prime is 22021001012083. The next prime is 22021001012221. The reversal of 22021001012210 is 1221010012022.

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, 8797850 + ... + 11020170.

It is an arithmetic number, because the mean of its divisors is an integer number (655229418480).

Almost surely, 2^{22021001012210} is an apocalyptic number.

22021001012210 is a deficient number, since it is larger than the sum of its proper divisors (19913681770510).

22021001012210 is a wasteful number, since it uses less digits than its factorization.

22021001012210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2223131.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 22021001012210 its reverse (1221010012022), we get a palindrome (23242011024232).

The spelling of 22021001012210 in words is "twenty-two trillion, twenty-one billion, one million, twelve thousand, two hundred ten".