11313221402 has 16 divisors (see below), whose sum is σ = 19419201792. Its totient is φ = 4842246480.

The previous prime is 11313221401. The next prime is 11313221429. The reversal of 11313221402 is 20412231311.

It is not an unprimeable number, because it can be changed into a prime (11313221401) 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, 511874 + ... + 533517.

It is an arithmetic number, because the mean of its divisors is an integer number (1213700112).

Almost surely, 2^11313221402 is an apocalyptic number.

11313221402 is a deficient number, since it is larger than the sum of its proper divisors (8105980390).

11313221402 is a wasteful number, since it uses less digits than its factorization.

11313221402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1046173.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 11313221402 its reverse (20412231311), we get a palindrome (31725452713).

Subtracting 11313221402 from its reverse (20412231311), we obtain a palindrome (9099009909).

The spelling of 11313221402 in words is "eleven billion, three hundred thirteen million, two hundred twenty-one thousand, four hundred two".