100021102211001 has 4 divisors (see below), whose sum is σ = 133361469614672. Its totient is φ = 66680734807332.

The previous prime is 100021102210987. The next prime is 100021102211003. The reversal of 100021102211001 is 100112201120001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 100021102211001 - 2⁶ = 100021102210937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100021102211003) 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, 16670183701831 + ... + 16670183701836.

It is an arithmetic number, because the mean of its divisors is an integer number (33340367403668).

Almost surely, 2^{100021102211001} is an apocalyptic number.

It is an amenable number.

100021102211001 is a deficient number, since it is larger than the sum of its proper divisors (33340367403671).

100021102211001 is an equidigital number, since it uses as much as digits as its factorization.

100021102211001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33340367403670.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 100021102211001 its reverse (100112201120001), we get a palindrome (200133303331002).

The spelling of 100021102211001 in words is "one hundred trillion, twenty-one billion, one hundred two million, two hundred eleven thousand, one".