202112100102001 has 4 divisors (see below), whose sum is σ = 202408018258032. Its totient is φ = 201816181945972.

The previous prime is 202112100101999. The next prime is 202112100102061. The reversal of 202112100102001 is 100201001211202.

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 202112100102001 - 2¹ = 202112100101999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (202112100102061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 147959076991 + ... + 147959078356.

It is an arithmetic number, because the mean of its divisors is an integer number (50602004564508).

Almost surely, 2^{202112100102001} is an apocalyptic number.

It is an amenable number.

202112100102001 is a deficient number, since it is larger than the sum of its proper divisors (295918156031).

202112100102001 is an equidigital number, since it uses as much as digits as its factorization.

202112100102001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 295918156030.

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

Adding to 202112100102001 its reverse (100201001211202), we get a palindrome (302313101313203).

The spelling of 202112100102001 in words is "two hundred two trillion, one hundred twelve billion, one hundred million, one hundred two thousand, one".