20122100221011 has 64 divisors (see below), whose sum is σ = 29038110351360. Its totient is φ = 12356491680000.

The previous prime is 20122100221007. The next prime is 20122100221033. The reversal of 20122100221011 is 11012200122102.

It is not a de Polignac number, because 20122100221011 - 2² = 20122100221007 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20122100221051) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 82186506 + ... + 82430976.

It is an arithmetic number, because the mean of its divisors is an integer number (453720474240).

Almost surely, 2^{20122100221011} is an apocalyptic number.

20122100221011 is a deficient number, since it is larger than the sum of its proper divisors (8916010130349).

20122100221011 is a wasteful number, since it uses less digits than its factorization.

20122100221011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244848.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 20122100221011 its reverse (11012200122102), we get a palindrome (31134300343113).

The spelling of 20122100221011 in words is "twenty trillion, one hundred twenty-two billion, one hundred million, two hundred twenty-one thousand, eleven".