100121122211019 has 32 divisors (see below), whose sum is σ = 164436779695104. Its totient is φ = 52767603584640.

The previous prime is 100121122211003. The next prime is 100121122211021. The reversal of 100121122211019 is 910112221121001.

It is not a de Polignac number, because 100121122211019 - 2⁴ = 100121122211003 is a prime.

It is a super-2 number, since 2×100121122211019² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 100121122211019.

It is not an unprimeable number, because it can be changed into a prime (100121122211029) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 150841167 + ... + 151503464.

It is an arithmetic number, because the mean of its divisors is an integer number (5138649365472).

Almost surely, 2^{100121122211019} is an apocalyptic number.

100121122211019 is a deficient number, since it is larger than the sum of its proper divisors (64315657484085).

100121122211019 is a wasteful number, since it uses less digits than its factorization.

100121122211019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 302345867.

The product of its (nonzero) digits is 144, while the sum is 24.

The spelling of 100121122211019 in words is "one hundred trillion, one hundred twenty-one billion, one hundred twenty-two million, two hundred eleven thousand, nineteen".