11101002010021 has 64 divisors (see below), whose sum is σ = 14175467712000. Its totient is φ = 8617848422400.

The previous prime is 11101002010001. The next prime is 11101002010037. The reversal of 11101002010021 is 12001020010111.

It is not a de Polignac number, because 11101002010021 - 2⁴¹ = 8901978754469 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11101002010001) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1243248085 + ... + 1243257013.

It is an arithmetic number, because the mean of its divisors is an integer number (221491683000).

Almost surely, 2^{11101002010021} is an apocalyptic number.

11101002010021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11101002010021 is a deficient number, since it is larger than the sum of its proper divisors (3074465701979).

11101002010021 is an equidigital number, since it uses as much as digits as its factorization.

11101002010021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10155 (or 10141 counting only the distinct ones).

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

Adding to 11101002010021 its reverse (12001020010111), we get a palindrome (23102022020132).

The spelling of 11101002010021 in words is "eleven trillion, one hundred one billion, two million, ten thousand, twenty-one".