100122200121209 has 16 divisors (see below), whose sum is σ = 116893429917696. Its totient is φ = 83969031037200.

The previous prime is 100122200121107. The next prime is 100122200121241. The reversal of 100122200121209 is 902121002221001.

It is a cyclic number.

It is not a de Polignac number, because 100122200121209 - 2¹⁶ = 100122200055673 is a prime.

It is a super-2 number, since 2×100122200121209² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (100122200129209) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42438227 + ... + 44735304.

It is an arithmetic number, because the mean of its divisors is an integer number (7305839369856).

Almost surely, 2^{100122200121209} is an apocalyptic number.

It is an amenable number.

100122200121209 is a deficient number, since it is larger than the sum of its proper divisors (16771229796487).

100122200121209 is an equidigital number, since it uses as much as digits as its factorization.

100122200121209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87177076.

The product of its (nonzero) digits is 288, while the sum is 23.

The spelling of 100122200121209 in words is "one hundred trillion, one hundred twenty-two billion, two hundred million, one hundred twenty-one thousand, two hundred nine".