202130311101 has 4 divisors (see below), whose sum is σ = 269507081472. Its totient is φ = 134753540732.

The previous prime is 202130311093. The next prime is 202130311129. The reversal of 202130311101 is 101113031202.

It is a happy number.

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 202130311101 - 2³ = 202130311093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202130313101) 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, 33688385181 + ... + 33688385186.

It is an arithmetic number, because the mean of its divisors is an integer number (67376770368).

Almost surely, 2^202130311101 is an apocalyptic number.

It is an amenable number.

202130311101 is a deficient number, since it is larger than the sum of its proper divisors (67376770371).

202130311101 is an equidigital number, since it uses as much as digits as its factorization.

202130311101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67376770370.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 202130311101 its reverse (101113031202), we get a palindrome (303243342303).

The spelling of 202130311101 in words is "two hundred two billion, one hundred thirty million, three hundred eleven thousand, one hundred one".