100122012020111 has 4 divisors (see below), whose sum is σ = 100842314265000. Its totient is φ = 99401709775224.

The previous prime is 100122012020089. The next prime is 100122012020221. The reversal of 100122012020111 is 111020210221001.

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 100122012020111 - 2¹⁸ = 100122011757967 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100122012040111) 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, 360151122236 + ... + 360151122513.

It is an arithmetic number, because the mean of its divisors is an integer number (25210578566250).

Almost surely, 2^{100122012020111} is an apocalyptic number.

100122012020111 is a deficient number, since it is larger than the sum of its proper divisors (720302244889).

100122012020111 is an equidigital number, since it uses as much as digits as its factorization.

100122012020111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 720302244888.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 100122012020111 its reverse (111020210221001), we get a palindrome (211142222241112).

The spelling of 100122012020111 in words is "one hundred trillion, one hundred twenty-two billion, twelve million, twenty thousand, one hundred eleven".