101100200111021 has 4 divisors (see below), whose sum is σ = 101101360895232. Its totient is φ = 101099039326812.

The previous prime is 101100200111017. The next prime is 101100200111069. The reversal of 101100200111021 is 120111002001101.

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 a cyclic number.

It is not a de Polignac number, because 101100200111021 - 2² = 101100200111017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101100200110993 and 101100200111011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101100200111011) 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, 580261451 + ... + 580435656.

It is an arithmetic number, because the mean of its divisors is an integer number (25275340223808).

Almost surely, 2^{101100200111021} is an apocalyptic number.

It is an amenable number.

101100200111021 is a deficient number, since it is larger than the sum of its proper divisors (1160784211).

101100200111021 is an equidigital number, since it uses as much as digits as its factorization.

101100200111021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1160784210.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 101100200111021 its reverse (120111002001101), we get a palindrome (221211202112122).

The spelling of 101100200111021 in words is "one hundred one trillion, one hundred billion, two hundred million, one hundred eleven thousand, twenty-one".