11002121112213 has 32 divisors (see below), whose sum is σ = 20321378104320. Its totient is φ = 5715387589680.

The previous prime is 11002121112179. The next prime is 11002121112253. The reversal of 11002121112213 is 31221112120011.

It is a happy number.

It is not a de Polignac number, because 11002121112213 - 2²⁶ = 11002054003349 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11002121112253) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2646010695 + ... + 2646014852.

It is an arithmetic number, because the mean of its divisors is an integer number (635043065760).

Almost surely, 2^{11002121112213} is an apocalyptic number.

It is an amenable number.

11002121112213 is a deficient number, since it is larger than the sum of its proper divisors (9319256992107).

11002121112213 is a wasteful number, since it uses less digits than its factorization.

11002121112213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5292025574 (or 5292025568 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 18.

Adding to 11002121112213 its reverse (31221112120011), we get a palindrome (42223233232224).

The spelling of 11002121112213 in words is "eleven trillion, two billion, one hundred twenty-one million, one hundred twelve thousand, two hundred thirteen".