101202002210021 has 2 divisors, whose sum is σ = 101202002210022. Its totient is φ = 101202002210020.

The previous prime is 101202002209967. The next prime is 101202002210033. The reversal of 101202002210021 is 120012200202101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 67273870264225 + 33928131945796 = 8202065^2 + 5824786^2 .

It is a cyclic number.

It is not a de Polignac number, because 101202002210021 - 2¹⁴ = 101202002193637 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 101202002209978 and 101202002210005.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101202002210081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50601001105010 + 50601001105011.

It is an arithmetic number, because the mean of its divisors is an integer number (50601001105011).

Almost surely, 2^{101202002210021} is an apocalyptic number.

It is an amenable number.

101202002210021 is a deficient number, since it is larger than the sum of its proper divisors (1).

101202002210021 is an equidigital number, since it uses as much as digits as its factorization.

101202002210021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 101202002210021 its reverse (120012200202101), we get a palindrome (221214202412122).

The spelling of 101202002210021 in words is "one hundred one trillion, two hundred two billion, two million, two hundred ten thousand, twenty-one".