103202000021 has 4 divisors (see below), whose sum is σ = 103315784832. Its totient is φ = 103088215212.

The previous prime is 103201999961. The next prime is 103202000039. The reversal of 103202000021 is 120000202301.

It is a happy number.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-103202000021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 103201999966 and 103202000011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103202000051) 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, 56891045 + ... + 56892858.

It is an arithmetic number, because the mean of its divisors is an integer number (25828946208).

Almost surely, 2^103202000021 is an apocalyptic number.

It is an amenable number.

103202000021 is a deficient number, since it is larger than the sum of its proper divisors (113784811).

103202000021 is an equidigital number, since it uses as much as digits as its factorization.

103202000021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113784810.

The product of its (nonzero) digits is 24, while the sum is 11.

Adding to 103202000021 its reverse (120000202301), we get a palindrome (223202202322).

The spelling of 103202000021 in words is "one hundred three billion, two hundred two million, twenty-one", and thus it is an aban number.