22201121210 has 16 divisors (see below), whose sum is σ = 40639341600. Its totient is φ = 8729932176.

The previous prime is 22201121209. The next prime is 22201121237. The reversal of 22201121210 is 1212110222.

It is a super-2 number, since 2×22201121210² (a number of 21 digits) contains 22 as substring.

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, 18813920 + ... + 18815099.

It is an arithmetic number, because the mean of its divisors is an integer number (2539958850).

Almost surely, 2^22201121210 is an apocalyptic number.

22201121210 is a deficient number, since it is larger than the sum of its proper divisors (18438220390).

22201121210 is a wasteful number, since it uses less digits than its factorization.

22201121210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37629085.

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

Adding to 22201121210 its reverse (1212110222), we get a palindrome (23413231432).

The spelling of 22201121210 in words is "twenty-two billion, two hundred one million, one hundred twenty-one thousand, two hundred ten".