202110000401 has 16 divisors (see below), whose sum is σ = 214709518800. Its totient is φ = 189589954560.

The previous prime is 202110000397. The next prime is 202110000419. The reversal of 202110000401 is 104000011202.

It can be written as a sum of positive squares in 8 ways, for example, as 1068963025 + 201041037376 = 32695^2 + 448376^2 .

It is a cyclic number.

It is not a de Polignac number, because 202110000401 - 2² = 202110000397 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (202110000481) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15757571 + ... + 15770391.

It is an arithmetic number, because the mean of its divisors is an integer number (13419344925).

Almost surely, 2^202110000401 is an apocalyptic number.

It is an amenable number.

202110000401 is a deficient number, since it is larger than the sum of its proper divisors (12599518399).

202110000401 is a wasteful number, since it uses less digits than its factorization.

202110000401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15844.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 202110000401 its reverse (104000011202), we get a palindrome (306110011603).

The spelling of 202110000401 in words is "two hundred two billion, one hundred ten million, four hundred one", and thus it is an aban number.