100021010331113 has 4 divisors (see below), whose sum is σ = 100144645696980. Its totient is φ = 99897374965248.

The previous prime is 100021010331107. The next prime is 100021010331157. The reversal of 100021010331113 is 311133010120001.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 66042976582489 + 33978033748624 = 8126683^2 + 5829068^2 .

It is a cyclic number.

It is not a de Polignac number, because 100021010331113 - 2¹⁶ = 100021010265577 is a prime.

It is a super-2 number, since 2×100021010331113² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100021010331091 and 100021010331100.

It is not an unprimeable number, because it can be changed into a prime (100021010331173) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61817681720 + ... + 61817683337.

It is an arithmetic number, because the mean of its divisors is an integer number (25036161424245).

Almost surely, 2^{100021010331113} is an apocalyptic number.

It is an amenable number.

100021010331113 is a deficient number, since it is larger than the sum of its proper divisors (123635365867).

100021010331113 is an equidigital number, since it uses as much as digits as its factorization.

100021010331113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123635365866.

The product of its (nonzero) digits is 54, while the sum is 17.

Adding to 100021010331113 its reverse (311133010120001), we get a palindrome (411154020451114).

The spelling of 100021010331113 in words is "one hundred trillion, twenty-one billion, ten million, three hundred thirty-one thousand, one hundred thirteen".