21100202201013 has 8 divisors (see below), whose sum is σ = 30297726237408. Its totient is φ = 12984739815984.

The previous prime is 21100202201011. The next prime is 21100202201051. The reversal of 21100202201013 is 31010220200112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 21100202201013 - 2¹ = 21100202201011 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 21100202200983 and 21100202201001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21100202201011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 270515412795 + ... + 270515412872.

It is an arithmetic number, because the mean of its divisors is an integer number (3787215779676).

Almost surely, 2^{21100202201013} is an apocalyptic number.

It is an amenable number.

21100202201013 is a deficient number, since it is larger than the sum of its proper divisors (9197524036395).

21100202201013 is a wasteful number, since it uses less digits than its factorization.

21100202201013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 541030825683.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 21100202201013 its reverse (31010220200112), we get a palindrome (52110422401125).

The spelling of 21100202201013 in words is "twenty-one trillion, one hundred billion, two hundred two million, two hundred one thousand, thirteen".