122031101112 has 64 divisors (see below), whose sum is σ = 312488330880. Its totient is φ = 39690870912.

The previous prime is 122031101053. The next prime is 122031101147. The reversal of 122031101112 is 211101130221.

It is a junction number, because it is equal to n+sod(n) for n = 122031101091 and 122031101100.

It is a congruent number.

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, 969603 + ... + 1088205.

It is an arithmetic number, because the mean of its divisors is an integer number (4882630170).

Almost surely, 2^122031101112 is an apocalyptic number.

122031101112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 122031101112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (156244165440).

122031101112 is an abundant number, since it is smaller than the sum of its proper divisors (190457229768).

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

122031101112 is a wasteful number, since it uses less digits than its factorization.

122031101112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119652 (or 119648 counting only the distinct ones).

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

Adding to 122031101112 its reverse (211101130221), we get a palindrome (333132231333).

The spelling of 122031101112 in words is "one hundred twenty-two billion, thirty-one million, one hundred one thousand, one hundred twelve".