20122120111210 has 64 divisors (see below), whose sum is σ = 39099005068032. Its totient is φ = 7411990035456.

The previous prime is 20122120111193. The next prime is 20122120111217. The reversal of 20122120111210 is 1211102122102.

It is not an unprimeable number, because it can be changed into a prime (20122120111217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 263261059 + ... + 263337481.

It is an arithmetic number, because the mean of its divisors is an integer number (610921954188).

Almost surely, 2^{20122120111210} is an apocalyptic number.

20122120111210 is a deficient number, since it is larger than the sum of its proper divisors (18976884956822).

20122120111210 is a wasteful number, since it uses less digits than its factorization.

20122120111210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81247.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 20122120111210 its reverse (1211102122102), we get a palindrome (21333222233312).

The spelling of 20122120111210 in words is "twenty trillion, one hundred twenty-two billion, one hundred twenty million, one hundred eleven thousand, two hundred ten".