100122021201 has 32 divisors (see below), whose sum is σ = 139998187008. Its totient is φ = 63586114560.

The previous prime is 100122021199. The next prime is 100122021253. The reversal of 100122021201 is 102120221001.

It is not a de Polignac number, because 100122021201 - 2¹ = 100122021199 is a prime.

It is not an unprimeable number, because it can be changed into a prime (100122011201) 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, 1065016 + ... + 1155206.

It is an arithmetic number, because the mean of its divisors is an integer number (4374943344).

Almost surely, 2^100122021201 is an apocalyptic number.

It is an amenable number.

100122021201 is a deficient number, since it is larger than the sum of its proper divisors (39876165807).

100122021201 is a wasteful number, since it uses less digits than its factorization.

100122021201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90441.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 100122021201 its reverse (102120221001), we get a palindrome (202242242202).

The spelling of 100122021201 in words is "one hundred billion, one hundred twenty-two million, twenty-one thousand, two hundred one".