101201402102621 has 2 divisors, whose sum is σ = 101201402102622. Its totient is φ = 101201402102620.

The previous prime is 101201402102579. The next prime is 101201402102623. The reversal of 101201402102621 is 126201204102101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 84101481710596 + 17099920392025 = 9170686^2 + 4135205^2 .

It is a cyclic number.

It is not a de Polignac number, because 101201402102621 - 2³⁸ = 100926524195677 is a prime.

Together with 101201402102623, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101201402102623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50600701051310 + 50600701051311.

It is an arithmetic number, because the mean of its divisors is an integer number (50600701051311).

Almost surely, 2^{101201402102621} is an apocalyptic number.

It is an amenable number.

101201402102621 is a deficient number, since it is larger than the sum of its proper divisors (1).

101201402102621 is an equidigital number, since it uses as much as digits as its factorization.

101201402102621 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 384, while the sum is 23.

Adding to 101201402102621 its reverse (126201204102101), we get a palindrome (227402606204722).

The spelling of 101201402102621 in words is "one hundred one trillion, two hundred one billion, four hundred two million, one hundred two thousand, six hundred twenty-one".