202112020100101 has 4 divisors (see below), whose sum is σ = 210899499234912. Its totient is φ = 193324540965292.

The previous prime is 202112020100051. The next prime is 202112020100113. The reversal of 202112020100101 is 101001020211202.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 202112020100101 - 2¹³ = 202112020091909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202112020100131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4393739567371 + ... + 4393739567416.

It is an arithmetic number, because the mean of its divisors is an integer number (52724874808728).

Almost surely, 2^{202112020100101} is an apocalyptic number.

It is an amenable number.

202112020100101 is a deficient number, since it is larger than the sum of its proper divisors (8787479134811).

202112020100101 is an equidigital number, since it uses as much as digits as its factorization.

202112020100101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8787479134810.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 202112020100101 its reverse (101001020211202), we get a palindrome (303113040311303).

The spelling of 202112020100101 in words is "two hundred two trillion, one hundred twelve billion, twenty million, one hundred thousand, one hundred one".