11222031012 has 24 divisors (see below), whose sum is σ = 26232624096. Its totient is φ = 3733836288.

The previous prime is 11222031001. The next prime is 11222031059. The reversal of 11222031012 is 21013022211.

It is a junction number, because it is equal to n+sod(n) for n = 11222030982 and 11222031000.

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, 848253 + ... + 861380.

It is an arithmetic number, because the mean of its divisors is an integer number (1093026004).

Almost surely, 2^11222031012 is an apocalyptic number.

11222031012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11222031012 is an abundant number, since it is smaller than the sum of its proper divisors (15010593084).

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

11222031012 is a wasteful number, since it uses less digits than its factorization.

11222031012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1710187 (or 1710185 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 11222031012 its reverse (21013022211), we get a palindrome (32235053223).

The spelling of 11222031012 in words is "eleven billion, two hundred twenty-two million, thirty-one thousand, twelve".