20122102112210 has 64 divisors (see below), whose sum is σ = 41491038481920. Its totient is φ = 6882848017920.

The previous prime is 20122102112209. The next prime is 20122102112219. The reversal of 20122102112210 is 1221120122102.

It is a super-2 number, since 2×20122102112210² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20122102112219) 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, 120219980 + ... + 120387240.

It is an arithmetic number, because the mean of its divisors is an integer number (648297476280).

Almost surely, 2^{20122102112210} is an apocalyptic number.

20122102112210 is an abundant number, since it is smaller than the sum of its proper divisors (21368936369710).

20122102112210 is a wasteful number, since it uses less digits than its factorization.

20122102112210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171291.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 20122102112210 its reverse (1221120122102), we get a palindrome (21343222234312).

The spelling of 20122102112210 in words is "twenty trillion, one hundred twenty-two billion, one hundred two million, one hundred twelve thousand, two hundred ten".