20122000101 has 32 divisors (see below), whose sum is σ = 34535717120. Its totient is φ = 11340767232.

The previous prime is 20122000079. The next prime is 20122000109. The reversal of 20122000101 is 10100022102.

It is not a de Polignac number, because 20122000101 - 2⁹ = 20121999589 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20122000109) 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, 715420 + ... + 743013.

It is an arithmetic number, because the mean of its divisors is an integer number (1079241160).

Almost surely, 2^20122000101 is an apocalyptic number.

20122000101 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

20122000101 is a deficient number, since it is larger than the sum of its proper divisors (14413717019).

20122000101 is a wasteful number, since it uses less digits than its factorization.

20122000101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1458522 (or 1458516 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 20122000101 its reverse (10100022102), we get a palindrome (30222022203).

The spelling of 20122000101 in words is "twenty billion, one hundred twenty-two million, one hundred one", and thus it is an aban number.