1011120111012 has 96 divisors (see below), whose sum is σ = 2722975073280. Its totient is φ = 288800104320.

The previous prime is 1011120110983. The next prime is 1011120111119. The reversal of 1011120111012 is 2101110211101.

It is a Harshad number since it is a multiple of its sum of digits (12).

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, 529168 + ... + 1517319.

It is an arithmetic number, because the mean of its divisors is an integer number (28364323680).

Almost surely, 2^{1011120111012} is an apocalyptic number.

1011120111012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1011120111012 is an abundant number, since it is smaller than the sum of its proper divisors (1711854962268).

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

1011120111012 is a wasteful number, since it uses less digits than its factorization.

1011120111012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2046721 (or 2046719 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 1011120111012 its reverse (2101110211101), we get a palindrome (3112230322113).

The spelling of 1011120111012 in words is "one trillion, eleven billion, one hundred twenty million, one hundred eleven thousand, twelve".