11022111212 has 48 divisors (see below), whose sum is σ = 22187413248. Its totient is φ = 4693170240.

The previous prime is 11022111209. The next prime is 11022111227. The reversal of 11022111212 is 21211122011.

It is a super-2 number, since 2×11022111212² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3627758 + ... + 3630794.

It is an arithmetic number, because the mean of its divisors is an integer number (462237776).

Almost surely, 2^11022111212 is an apocalyptic number.

It is an amenable number.

11022111212 is an abundant number, since it is smaller than the sum of its proper divisors (11165302036).

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

11022111212 is a wasteful number, since it uses less digits than its factorization.

11022111212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3846 (or 3844 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 11022111212 its reverse (21211122011), we get a palindrome (32233233223).

The spelling of 11022111212 in words is "eleven billion, twenty-two million, one hundred eleven thousand, two hundred twelve".