22120222222210 has 128 divisors (see below), whose sum is σ = 48609956680704. Its totient is φ = 7084114329600.

The previous prime is 22120222222193. The next prime is 22120222222243. The reversal of 22120222222210 is 1222222202122.

It is a super-2 number, since 2×22120222222210² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 10938802 + ... + 12802258.

It is an arithmetic number, because the mean of its divisors is an integer number (379765286568).

Almost surely, 2^{22120222222210} is an apocalyptic number.

22120222222210 is an abundant number, since it is smaller than the sum of its proper divisors (26489734458494).

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

22120222222210 is a wasteful number, since it uses less digits than its factorization.

22120222222210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1863668.

The product of its (nonzero) digits is 1024, while the sum is 22.

Adding to 22120222222210 its reverse (1222222202122), we get a palindrome (23342444424332).

The spelling of 22120222222210 in words is "twenty-two trillion, one hundred twenty billion, two hundred twenty-two million, two hundred twenty-two thousand, two hundred ten".