22110211222210 has 32 divisors (see below), whose sum is σ = 42182593190640. Its totient is φ = 8315324362752.

The previous prime is 22110211222153. The next prime is 22110211222213. The reversal of 22110211222210 is 1222211201122.

It can be written as a sum of positive squares in 8 ways, for example, as 18759440701089 + 3350770521121 = 4331217^2 + 1830511^2 .

It is a super-2 number, since 2×22110211222210² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22110211222213) 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, 66394845 + ... + 66727024.

Almost surely, 2^{22110211222210} is an apocalyptic number.

22110211222210 is a deficient number, since it is larger than the sum of its proper divisors (20072381968430).

22110211222210 is a wasteful number, since it uses less digits than its factorization.

22110211222210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133122870.

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

Adding to 22110211222210 its reverse (1222211201122), we get a palindrome (23332422423332).

The spelling of 22110211222210 in words is "twenty-two trillion, one hundred ten billion, two hundred eleven million, two hundred twenty-two thousand, two hundred ten".