100010991621433 has 2 divisors, whose sum is σ = 100010991621434. Its totient is φ = 100010991621432.

The previous prime is 100010991621403. The next prime is 100010991621449. The reversal of 100010991621433 is 334126199010001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 70701728698624 + 29309262922809 = 8408432^2 + 5413803^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100010991621433 is a prime.

It is not a weakly prime, because it can be changed into another prime (100010991621403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50005495810716 + 50005495810717.

It is an arithmetic number, because the mean of its divisors is an integer number (50005495810717).

Almost surely, 2^{100010991621433} is an apocalyptic number.

It is an amenable number.

100010991621433 is a deficient number, since it is larger than the sum of its proper divisors (1).

100010991621433 is an equidigital number, since it uses as much as digits as its factorization.

100010991621433 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34992, while the sum is 40.

The spelling of 100010991621433 in words is "one hundred trillion, ten billion, nine hundred ninety-one million, six hundred twenty-one thousand, four hundred thirty-three".