11213221122 has 16 divisors (see below), whose sum is σ = 24918269280. Its totient is φ = 3737740356.

The previous prime is 11213221109. The next prime is 11213221133. The reversal of 11213221122 is 22112231211.

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

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 11213221095 and 11213221104.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103826068 + ... + 103826175.

It is an arithmetic number, because the mean of its divisors is an integer number (1557391830).

Almost surely, 2^11213221122 is an apocalyptic number.

11213221122 is an abundant number, since it is smaller than the sum of its proper divisors (13705048158).

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

11213221122 is a wasteful number, since it uses less digits than its factorization.

11213221122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207652254 (or 207652248 counting only the distinct ones).

The product of its digits is 96, while the sum is 18.

Adding to 11213221122 its reverse (22112231211), we get a palindrome (33325452333).

The spelling of 11213221122 in words is "eleven billion, two hundred thirteen million, two hundred twenty-one thousand, one hundred twenty-two".