203102021212001 has 16 divisors (see below), whose sum is σ = 216289463156928. Its totient is φ = 190055091840000.

The previous prime is 203102021211979. The next prime is 203102021212037. The reversal of 203102021212001 is 100212120201302.

It is a cyclic number.

It is not a de Polignac number, because 203102021212001 - 2³⁸ = 202827143305057 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (203102021212801) 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, 39869720 + ... + 44674361.

It is an arithmetic number, because the mean of its divisors is an integer number (13518091447308).

Almost surely, 2^{203102021212001} is an apocalyptic number.

It is an amenable number.

203102021212001 is a deficient number, since it is larger than the sum of its proper divisors (13187441944927).

203102021212001 is a wasteful number, since it uses less digits than its factorization.

203102021212001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84544912.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 203102021212001 its reverse (100212120201302), we get a palindrome (303314141413303).

The spelling of 203102021212001 in words is "two hundred three trillion, one hundred two billion, twenty-one million, two hundred twelve thousand, one".