202030302101 has 4 divisors (see below), whose sum is σ = 202052534304. Its totient is φ = 202008069900.

The previous prime is 202030302083. The next prime is 202030302107. The reversal of 202030302101 is 101203030202.

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 202030302101 - 2¹⁸ = 202030039957 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 (202030302107) 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, 11102465 + ... + 11120646.

It is an arithmetic number, because the mean of its divisors is an integer number (50513133576).

Almost surely, 2^202030302101 is an apocalyptic number.

It is an amenable number.

202030302101 is a deficient number, since it is larger than the sum of its proper divisors (22232203).

202030302101 is an equidigital number, since it uses as much as digits as its factorization.

202030302101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22232202.

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 202030302101 its reverse (101203030202), we get a palindrome (303233332303).

The spelling of 202030302101 in words is "two hundred two billion, thirty million, three hundred two thousand, one hundred one".