101452255621 has 2 divisors, whose sum is σ = 101452255622. Its totient is φ = 101452255620.

The previous prime is 101452255613. The next prime is 101452255643. The reversal of 101452255621 is 126552254101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 85749408900 + 15702846721 = 292830^2 + 125311^2 .

It is a cyclic number.

It is not a de Polignac number, because 101452255621 - 2³ = 101452255613 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101452255661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50726127810 + 50726127811.

It is an arithmetic number, because the mean of its divisors is an integer number (50726127811).

Almost surely, 2^101452255621 is an apocalyptic number.

It is an amenable number.

101452255621 is a deficient number, since it is larger than the sum of its proper divisors (1).

101452255621 is an equidigital number, since it uses as much as digits as its factorization.

101452255621 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24000, while the sum is 34.

The spelling of 101452255621 in words is "one hundred one billion, four hundred fifty-two million, two hundred fifty-five thousand, six hundred twenty-one".