20122111220210 has 16 divisors (see below), whose sum is σ = 36219866000256. Its totient is φ = 8048829865008.

The previous prime is 20122111220207. The next prime is 20122111220243. The reversal of 20122111220210 is 1202211122102.

It is a super-2 number, since 2×20122111220210² (a number of 27 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, 5260487 + ... + 8241173.

It is an arithmetic number, because the mean of its divisors is an integer number (2263741625016).

Almost surely, 2^{20122111220210} is an apocalyptic number.

20122111220210 is a deficient number, since it is larger than the sum of its proper divisors (16097754780046).

20122111220210 is a wasteful number, since it uses less digits than its factorization.

20122111220210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3655777.

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

Adding to 20122111220210 its reverse (1202211122102), we get a palindrome (21324322342312).

The spelling of 20122111220210 in words is "twenty trillion, one hundred twenty-two billion, one hundred eleven million, two hundred twenty thousand, two hundred ten".