22021110020210 has 64 divisors (see below), whose sum is σ = 46244265534720. Its totient is φ = 7393893131520.

The previous prime is 22021110020191. The next prime is 22021110020213. The reversal of 22021110020210 is 1202001112022.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is not an unprimeable number, because it can be changed into a prime (22021110020213) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10282364 + ... + 12238023.

It is an arithmetic number, because the mean of its divisors is an integer number (722566648980).

Almost surely, 2^{22021110020210} is an apocalyptic number.

22021110020210 is an abundant number, since it is smaller than the sum of its proper divisors (24223155514510).

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

22021110020210 is a wasteful number, since it uses less digits than its factorization.

22021110020210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22520691.

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

Adding to 22021110020210 its reverse (1202001112022), we get a palindrome (23223111132232).

The spelling of 22021110020210 in words is "twenty-two trillion, twenty-one billion, one hundred ten million, twenty thousand, two hundred ten".