20021022112101 has 32 divisors (see below), whose sum is σ = 27947008696320. Its totient is φ = 12733456747200.

The previous prime is 20021022112093. The next prime is 20021022112103. The reversal of 20021022112101 is 10121122012002.

It is not a de Polignac number, because 20021022112101 - 2³ = 20021022112093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20021022112103) 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, 61397155 + ... + 61722383.

It is an arithmetic number, because the mean of its divisors is an integer number (873344021760).

Almost surely, 2^{20021022112101} is an apocalyptic number.

It is an amenable number.

20021022112101 is a deficient number, since it is larger than the sum of its proper divisors (7925986584219).

20021022112101 is a wasteful number, since it uses less digits than its factorization.

20021022112101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334657.

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

Adding to 20021022112101 its reverse (10121122012002), we get a palindrome (30142144124103).

The spelling of 20021022112101 in words is "twenty trillion, twenty-one billion, twenty-two million, one hundred twelve thousand, one hundred one".