2102020313101 has 4 divisors (see below), whose sum is σ = 2102038839072. Its totient is φ = 2102001787132.

The previous prime is 2102020313089. The next prime is 2102020313123. The reversal of 2102020313101 is 1013130202012.

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 2102020313101 - 2⁵ = 2102020313069 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 (2102020313201) 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, 9091735 + ... + 9320068.

It is an arithmetic number, because the mean of its divisors is an integer number (525509709768).

Almost surely, 2^{2102020313101} is an apocalyptic number.

It is an amenable number.

2102020313101 is a deficient number, since it is larger than the sum of its proper divisors (18525971).

2102020313101 is a wasteful number, since it uses less digits than its factorization.

2102020313101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18525970.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 2102020313101 its reverse (1013130202012), we get a palindrome (3115150515113).

The spelling of 2102020313101 in words is "two trillion, one hundred two billion, twenty million, three hundred thirteen thousand, one hundred one".