103202001021 has 16 divisors (see below), whose sum is σ = 158391564800. Its totient is φ = 58548307248.

The previous prime is 103202001013. The next prime is 103202001043. The reversal of 103202001021 is 120100202301.

It is not a de Polignac number, because 103202001021 - 2³ = 103202001013 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 103202000988 and 103202001006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103202001421) 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, 17674711 + ... + 17680548.

It is an arithmetic number, because the mean of its divisors is an integer number (9899472800).

Almost surely, 2^103202001021 is an apocalyptic number.

It is an amenable number.

103202001021 is a deficient number, since it is larger than the sum of its proper divisors (55189563779).

103202001021 is a wasteful number, since it uses less digits than its factorization.

103202001021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35355408.

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 103202001021 its reverse (120100202301), we get a palindrome (223302203322).

The spelling of 103202001021 in words is "one hundred three billion, two hundred two million, one thousand, twenty-one".