100021010054431 has 2 divisors, whose sum is σ = 100021010054432. Its totient is φ = 100021010054430.

The previous prime is 100021010054369. The next prime is 100021010054443. The reversal of 100021010054431 is 134450010120001.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 100021010054431 - 2⁹ = 100021010053919 is a prime.

It is a super-2 number, since 2×100021010054431² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100021010054491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50010505027215 + 50010505027216.

It is an arithmetic number, because the mean of its divisors is an integer number (50010505027216).

Almost surely, 2^{100021010054431} is an apocalyptic number.

100021010054431 is a deficient number, since it is larger than the sum of its proper divisors (1).

100021010054431 is an equidigital number, since it uses as much as digits as its factorization.

100021010054431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 480, while the sum is 22.

Adding to 100021010054431 its reverse (134450010120001), we get a palindrome (234471020174432).

The spelling of 100021010054431 in words is "one hundred trillion, twenty-one billion, ten million, fifty-four thousand, four hundred thirty-one".