100122002131231 has 4 divisors (see below), whose sum is σ = 100122067842192. Its totient is φ = 100121936420272.

The previous prime is 100122002131087. The next prime is 100122002131247. The reversal of 100122002131231 is 132131200221001.

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

It is a cyclic number.

It is not a de Polignac number, because 100122002131231 - 2¹⁹ = 100122001606943 is a prime.

It is a super-2 number, since 2×100122002131231² (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 = 100122002131199 and 100122002131208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100122002132231) 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, 30514366 + ... + 33635851.

It is an arithmetic number, because the mean of its divisors is an integer number (25030516960548).

Almost surely, 2^{100122002131231} is an apocalyptic number.

100122002131231 is a deficient number, since it is larger than the sum of its proper divisors (65710961).

100122002131231 is an equidigital number, since it uses as much as digits as its factorization.

100122002131231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65710960.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 100122002131231 its reverse (132131200221001), we get a palindrome (232253202352232).

The spelling of 100122002131231 in words is "one hundred trillion, one hundred twenty-two billion, two million, one hundred thirty-one thousand, two hundred thirty-one".