202115001 has 16 divisors (see below), whose sum is σ = 295388928. Its totient is φ = 121909200.

The previous prime is 202114981. The next prime is 202115003. The reversal of 202115001 is 100511202.

It is not a de Polignac number, because 202115001 - 2⁶ = 202114937 is a prime.

It is not an unprimeable number, because it can be changed into a prime (202115003) 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, 7551 + ... + 21476.

It is an arithmetic number, because the mean of its divisors is an integer number (18461808).

Almost surely, 2^202115001 is an apocalyptic number.

It is an amenable number.

202115001 is a deficient number, since it is larger than the sum of its proper divisors (93273927).

202115001 is a wasteful number, since it uses less digits than its factorization.

202115001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29252.

The product of its (nonzero) digits is 20, while the sum is 12.

The square root of 202115001 is about 14216.7155489586. The cubic root of 202115001 is about 586.8577569586.

Adding to 202115001 its reverse (100511202), we get a palindrome (302626203).

The spelling of 202115001 in words is "two hundred two million, one hundred fifteen thousand, one".