202101110000101 has 4 divisors (see below), whose sum is σ = 217647349230892. Its totient is φ = 186554870769312.

The previous prime is 202101110000093. The next prime is 202101110000117. The reversal of 202101110000101 is 101000011101202.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 43164913140001 + 158936196860100 = 6570001^2 + 12606990^2 .

It is a cyclic number.

It is not a de Polignac number, because 202101110000101 - 2³ = 202101110000093 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 (202101110000201) 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, 7773119615376 + ... + 7773119615401.

It is an arithmetic number, because the mean of its divisors is an integer number (54411837307723).

Almost surely, 2^{202101110000101} is an apocalyptic number.

It is an amenable number.

202101110000101 is a deficient number, since it is larger than the sum of its proper divisors (15546239230791).

202101110000101 is a wasteful number, since it uses less digits than its factorization.

202101110000101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15546239230790.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 202101110000101 its reverse (101000011101202), we get a palindrome (303101121101303).

The spelling of 202101110000101 in words is "two hundred two trillion, one hundred one billion, one hundred ten million, one hundred one", and thus it is an aban number.