202112102001 has 4 divisors (see below), whose sum is σ = 269482802672. Its totient is φ = 134741401332.

The previous prime is 202112101993. The next prime is 202112102033. The reversal of 202112102001 is 100201211202.

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 not a de Polignac number, because 202112102001 - 2³ = 202112101993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (202612102001) 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, 33685350331 + ... + 33685350336.

It is an arithmetic number, because the mean of its divisors is an integer number (67370700668).

Almost surely, 2^202112102001 is an apocalyptic number.

It is an amenable number.

202112102001 is a deficient number, since it is larger than the sum of its proper divisors (67370700671).

202112102001 is an equidigital number, since it uses as much as digits as its factorization.

202112102001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67370700670.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 202112102001 its reverse (100201211202), we get a palindrome (302313313203).

It can be divided in two parts, 20211 and 2102001, that added together give a palindrome (2122212).

The spelling of 202112102001 in words is "two hundred two billion, one hundred twelve million, one hundred two thousand, one".