20010122100331 has 16 divisors (see below), whose sum is σ = 21865303031040. Its totient is φ = 18160956522720.

The previous prime is 20010122100313. The next prime is 20010122100383. The reversal of 20010122100331 is 13300122101002.

It is not a de Polignac number, because 20010122100331 - 2⁵ = 20010122100299 is a prime.

It is a super-2 number, since 2×20010122100331² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20010122100931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 323689381 + ... + 323751193.

It is an arithmetic number, because the mean of its divisors is an integer number (1366581439440).

Almost surely, 2^{20010122100331} is an apocalyptic number.

20010122100331 is a deficient number, since it is larger than the sum of its proper divisors (1855180930709).

20010122100331 is a wasteful number, since it uses less digits than its factorization.

20010122100331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109986.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 20010122100331 its reverse (13300122101002), we get a palindrome (33310244201333).

The spelling of 20010122100331 in words is "twenty trillion, ten billion, one hundred twenty-two million, one hundred thousand, three hundred thirty-one".