11012122212 has 72 divisors (see below), whose sum is σ = 32189302656. Its totient is φ = 2904293952.

The previous prime is 11012122189. The next prime is 11012122241. The reversal of 11012122212 is 21222121011.

It is a super-2 number, since 2×11012122212² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11012122191 and 11012122200.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 712668 + ... + 727955.

It is an arithmetic number, because the mean of its divisors is an integer number (447073648).

Almost surely, 2^11012122212 is an apocalyptic number.

11012122212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11012122212 is an abundant number, since it is smaller than the sum of its proper divisors (21177180444).

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

11012122212 is a wasteful number, since it uses less digits than its factorization.

11012122212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1440657 (or 1440648 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 11012122212 its reverse (21222121011), we get a palindrome (32234243223).

The spelling of 11012122212 in words is "eleven billion, twelve million, one hundred twenty-two thousand, two hundred twelve".