11002131213 has 32 divisors (see below), whose sum is σ = 16236101376. Its totient is φ = 6591602688.

The previous prime is 11002131211. The next prime is 11002131223. The reversal of 11002131213 is 31213120011.

It is a happy number.

It is not a de Polignac number, because 11002131213 - 2¹ = 11002131211 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11002131192 and 11002131201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11002131211) 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, 687681 + ... + 703497.

It is an arithmetic number, because the mean of its divisors is an integer number (507378168).

Almost surely, 2^11002131213 is an apocalyptic number.

It is an amenable number.

11002131213 is a deficient number, since it is larger than the sum of its proper divisors (5233970163).

11002131213 is a wasteful number, since it uses less digits than its factorization.

11002131213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16453.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 11002131213 its reverse (31213120011), we get a palindrome (42215251224).

The spelling of 11002131213 in words is "eleven billion, two million, one hundred thirty-one thousand, two hundred thirteen".