11011122312 has 16 divisors (see below), whose sum is σ = 27527805840. Its totient is φ = 3670374096.

The previous prime is 11011122299. The next prime is 11011122329. The reversal of 11011122312 is 21322111011.

It is a junction number, because it is equal to n+sod(n) for n = 11011122291 and 11011122300.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 229398358 + ... + 229398405.

It is an arithmetic number, because the mean of its divisors is an integer number (1720487865).

Almost surely, 2^11011122312 is an apocalyptic number.

11011122312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11011122312 is an abundant number, since it is smaller than the sum of its proper divisors (16516683528).

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

11011122312 is a wasteful number, since it uses less digits than its factorization.

11011122312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 458796772 (or 458796768 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 11011122312 its reverse (21322111011), we get a palindrome (32333233323).

The spelling of 11011122312 in words is "eleven billion, eleven million, one hundred twenty-two thousand, three hundred twelve".