100020100111201 has 4 divisors (see below), whose sum is σ = 100020734138052. Its totient is φ = 100019466084352.

The previous prime is 100020100111199. The next prime is 100020100111241. The reversal of 100020100111201 is 102111001020001.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 61117136885025 + 38902963226176 = 7817745^2 + 6237224^2 .

It is a cyclic number.

It is not a de Polignac number, because 100020100111201 - 2¹ = 100020100111199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100020100111241) 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, 316776736 + ... + 317092321.

It is an arithmetic number, because the mean of its divisors is an integer number (25005183534513).

Almost surely, 2^{100020100111201} is an apocalyptic number.

It is an amenable number.

100020100111201 is a deficient number, since it is larger than the sum of its proper divisors (634026851).

100020100111201 is an equidigital number, since it uses as much as digits as its factorization.

100020100111201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 634026850.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 100020100111201 its reverse (102111001020001), we get a palindrome (202131101131202).

The spelling of 100020100111201 in words is "one hundred trillion, twenty billion, one hundred million, one hundred eleven thousand, two hundred one".