202110102001 has 4 divisors (see below), whose sum is σ = 202430403904. Its totient is φ = 201789800100.

The previous prime is 202110101987. The next prime is 202110102011. The reversal of 202110102001 is 100201011202.

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, and also an emirpimes, since its reverse is a distinct semiprime: 100201011202 = 2 ⋅50100505601.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-202110102001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (202110102011) 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, 160150005 + ... + 160151266.

It is an arithmetic number, because the mean of its divisors is an integer number (50607600976).

Almost surely, 2^202110102001 is an apocalyptic number.

It is an amenable number.

202110102001 is a deficient number, since it is larger than the sum of its proper divisors (320301903).

202110102001 is an equidigital number, since it uses as much as digits as its factorization.

202110102001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320301902.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 202110102001 its reverse (100201011202), we get a palindrome (302311113203).

The spelling of 202110102001 in words is "two hundred two billion, one hundred ten million, one hundred two thousand, one".