100962661157621 has 2 divisors, whose sum is σ = 100962661157622. Its totient is φ = 100962661157620.

The previous prime is 100962661157597. The next prime is 100962661157653. The reversal of 100962661157621 is 126751166269001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 98531650068721 + 2431011088900 = 9926311^2 + 1559170^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100962661157621 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100962661150621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50481330578810 + 50481330578811.

It is an arithmetic number, because the mean of its divisors is an integer number (50481330578811).

Almost surely, 2^{100962661157621} is an apocalyptic number.

It is an amenable number.

100962661157621 is a deficient number, since it is larger than the sum of its proper divisors (1).

100962661157621 is an equidigital number, since it uses as much as digits as its factorization.

100962661157621 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1632960, while the sum is 53.

The spelling of 100962661157621 in words is "one hundred trillion, nine hundred sixty-two billion, six hundred sixty-one million, one hundred fifty-seven thousand, six hundred twenty-one".