102203020213021 has 16 divisors (see below), whose sum is σ = 125788574306304. Its totient is φ = 80863772678784.

The previous prime is 102203020213009. The next prime is 102203020213039. The reversal of 102203020213021 is 120312020302201.

It is a cyclic number.

It is not a de Polignac number, because 102203020213021 - 2⁵ = 102203020212989 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 102203020213021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102203020213061) 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, 79021476 + ... + 80304418.

It is an arithmetic number, because the mean of its divisors is an integer number (7861785894144).

Almost surely, 2^{102203020213021} is an apocalyptic number.

It is an amenable number.

102203020213021 is a deficient number, since it is larger than the sum of its proper divisors (23585554093283).

102203020213021 is a wasteful number, since it uses less digits than its factorization.

102203020213021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2158380.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 102203020213021 its reverse (120312020302201), we get a palindrome (222515040515222).

The spelling of 102203020213021 in words is "one hundred two trillion, two hundred three billion, twenty million, two hundred thirteen thousand, twenty-one".