1121120101112 has 128 divisors (see below), whose sum is σ = 2391088896000. Its totient is φ = 488190259200.

The previous prime is 1121120101043. The next prime is 1121120101133. The reversal of 1121120101112 is 2111010211211.

It is a super-2 number, since 2×1121120101112² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 323367203 + ... + 323370669.

It is an arithmetic number, because the mean of its divisors is an integer number (18680382000).

Almost surely, 2^{1121120101112} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1121120101112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1195544448000).

1121120101112 is an abundant number, since it is smaller than the sum of its proper divisors (1269968794888).

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

1121120101112 is a wasteful number, since it uses less digits than its factorization.

1121120101112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4677 (or 4673 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 1121120101112 its reverse (2111010211211), we get a palindrome (3232130312323).

The spelling of 1121120101112 in words is "one trillion, one hundred twenty-one billion, one hundred twenty million, one hundred one thousand, one hundred twelve".