100122201009931 has 2 divisors, whose sum is σ = 100122201009932. Its totient is φ = 100122201009930.

The previous prime is 100122201009917. The next prime is 100122201010031. The reversal of 100122201009931 is 139900102221001.

It is a weak prime.

It is an emirp because it is prime and its reverse (139900102221001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 100122201009931 - 2²¹ = 100122198912779 is a prime.

It is a super-2 number, since 2×100122201009931² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 100122201009893 and 100122201009902.

It is not a weakly prime, because it can be changed into another prime (100122201009731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50061100504965 + 50061100504966.

It is an arithmetic number, because the mean of its divisors is an integer number (50061100504966).

Almost surely, 2^{100122201009931} is an apocalyptic number.

100122201009931 is a deficient number, since it is larger than the sum of its proper divisors (1).

100122201009931 is an equidigital number, since it uses as much as digits as its factorization.

100122201009931 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 31.

The spelling of 100122201009931 in words is "one hundred trillion, one hundred twenty-two billion, two hundred one million, nine thousand, nine hundred thirty-one".