11213022132 has 72 divisors (see below), whose sum is σ = 31654904736. Its totient is φ = 3450156768.

The previous prime is 11213022103. The next prime is 11213022137. The reversal of 11213022132 is 23122031211.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11213022137) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 431058 + ... + 456329.

Almost surely, 2^11213022132 is an apocalyptic number.

11213022132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11213022132 is an abundant number, since it is smaller than the sum of its proper divisors (20441882604).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11213022132 is a wasteful number, since it uses less digits than its factorization.

11213022132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 887419 (or 887405 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 11213022132 its reverse (23122031211), we get a palindrome (34335053343).

The spelling of 11213022132 in words is "eleven billion, two hundred thirteen million, twenty-two thousand, one hundred thirty-two".