20212000101 has 24 divisors (see below), whose sum is σ = 31562292320. Its totient is φ = 12420457056.

The previous prime is 20212000097. The next prime is 20212000121. The reversal of 20212000101 is 10100021202.

It is not a de Polignac number, because 20212000101 - 2² = 20212000097 is a prime.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20212000121) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1590955 + ... + 1603608.

Almost surely, 2^20212000101 is an apocalyptic number.

It is an amenable number.

20212000101 is a deficient number, since it is larger than the sum of its proper divisors (11350292219).

20212000101 is a wasteful number, since it uses less digits than its factorization.

20212000101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3194625 (or 3194622 counting only the distinct ones).

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

Adding to 20212000101 its reverse (10100021202), we get a palindrome (30312021303).

The spelling of 20212000101 in words is "twenty billion, two hundred twelve million, one hundred one", and thus it is an aban number.