1011112122 has 32 divisors (see below), whose sum is σ = 2059992000. Its totient is φ = 330801408.

The previous prime is 1011112099. The next prime is 1011112159. The reversal of 1011112122 is 2212111101.

It is a junction number, because it is equal to n+sod(n) for n = 1011112098 and 1011112107.

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, 62754 + ... + 77202.

It is an arithmetic number, because the mean of its divisors is an integer number (64374750).

Almost surely, 2^1011112122 is an apocalyptic number.

1011112122 is an abundant number, since it is smaller than the sum of its proper divisors (1048879878).

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

1011112122 is a wasteful number, since it uses less digits than its factorization.

1011112122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14670.

The product of its (nonzero) digits is 8, while the sum is 12.

The square root of 1011112122 is about 31797.9892760533. The cubic root of 1011112122 is about 1003.6904048256.

Adding to 1011112122 its reverse (2212111101), we get a palindrome (3223223223).

The spelling of 1011112122 in words is "one billion, eleven million, one hundred twelve thousand, one hundred twenty-two".