11100102011021 has 4 divisors (see below), whose sum is σ = 11100112302432. Its totient is φ = 11100091719612.

The previous prime is 11100102011003. The next prime is 11100102011059. The reversal of 11100102011021 is 12011020100111.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 11100102011021 - 2⁶ = 11100102010957 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11100102010993 and 11100102011011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11100102010021) 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, 3309401 + ... + 5757806.

It is an arithmetic number, because the mean of its divisors is an integer number (2775028075608).

Almost surely, 2^{11100102011021} is an apocalyptic number.

It is an amenable number.

11100102011021 is a deficient number, since it is larger than the sum of its proper divisors (10291411).

11100102011021 is an equidigital number, since it uses as much as digits as its factorization.

11100102011021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10291410.

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

Adding to 11100102011021 its reverse (12011020100111), we get a palindrome (23111122111132).

The spelling of 11100102011021 in words is "eleven trillion, one hundred billion, one hundred two million, eleven thousand, twenty-one".