202012302101 has 4 divisors (see below), whose sum is σ = 202039034400. Its totient is φ = 201985569804.

The previous prime is 202012302097. The next prime is 202012302143. The reversal of 202012302101 is 101203210202.

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 202012302101 - 2² = 202012302097 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 (202012302181) 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, 13354811 + ... + 13369928.

It is an arithmetic number, because the mean of its divisors is an integer number (50509758600).

Almost surely, 2^202012302101 is an apocalyptic number.

It is an amenable number.

202012302101 is a deficient number, since it is larger than the sum of its proper divisors (26732299).

202012302101 is an equidigital number, since it uses as much as digits as its factorization.

202012302101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26732298.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 202012302101 its reverse (101203210202), we get a palindrome (303215512303).

The spelling of 202012302101 in words is "two hundred two billion, twelve million, three hundred two thousand, one hundred one".