11222122022 has 16 divisors (see below), whose sum is σ = 17136625680. Its totient is φ = 5510115072.

The previous prime is 11222122007. The next prime is 11222122099. The reversal of 11222122022 is 22022122211.

It is a happy number.

It is a congruent number.

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, 62558 + ... + 162350.

It is an arithmetic number, because the mean of its divisors is an integer number (1071039105).

Almost surely, 2^11222122022 is an apocalyptic number.

11222122022 is a deficient number, since it is larger than the sum of its proper divisors (5914503658).

11222122022 is an equidigital number, since it uses as much as digits as its factorization.

11222122022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100807.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 11222122022 its reverse (22022122211), we get a palindrome (33244244233).

The spelling of 11222122022 in words is "eleven billion, two hundred twenty-two million, one hundred twenty-two thousand, twenty-two".