11013020113021 has 8 divisors (see below), whose sum is σ = 11047503706200. Its totient is φ = 10978568174400.

The previous prime is 11013020113003. The next prime is 11013020113033. The reversal of 11013020113021 is 12031102031011.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 586772852121 + 10426247260900 = 766011^2 + 3228970^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 11013020113021 - 2⁷ = 11013020112893 is a prime.

It is a super-2 number, since 2×11013020113021² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11013020112986 and 11013020113004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11013020113321) 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, 7216630 + ... + 8608471.

It is an arithmetic number, because the mean of its divisors is an integer number (1380937963275).

Almost surely, 2^{11013020113021} is an apocalyptic number.

It is an amenable number.

11013020113021 is a deficient number, since it is larger than the sum of its proper divisors (34483593179).

11013020113021 is a wasteful number, since it uses less digits than its factorization.

11013020113021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15827279.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 11013020113021 its reverse (12031102031011), we get a palindrome (23044122144032).

The spelling of 11013020113021 in words is "eleven trillion, thirteen billion, twenty million, one hundred thirteen thousand, twenty-one".