22212021221110 has 32 divisors (see below), whose sum is σ = 45693655603200. Its totient is φ = 7615490998752.

The previous prime is 22212021221087. The next prime is 22212021221111. The reversal of 22212021221110 is 1112212021222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22212021221111) 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, 8379091 + ... + 10706689.

It is an arithmetic number, because the mean of its divisors is an integer number (1427926737600).

Almost surely, 2^{22212021221110} is an apocalyptic number.

22212021221110 is an abundant number, since it is smaller than the sum of its proper divisors (23481634382090).

22212021221110 is a wasteful number, since it uses less digits than its factorization.

22212021221110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2463940.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 22212021221110 its reverse (1112212021222), we get a palindrome (23324233242332).

The spelling of 22212021221110 in words is "twenty-two trillion, two hundred twelve billion, twenty-one million, two hundred twenty-one thousand, one hundred ten".