1011331323112 has 32 divisors (see below), whose sum is σ = 2070803076480. Its totient is φ = 459213650560.

The previous prime is 1011331323109. The next prime is 1011331323241. The reversal of 1011331323112 is 2113231331101.

1011331323112 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (22).

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, 5945728 + ... + 6113455.

It is an arithmetic number, because the mean of its divisors is an integer number (64712596140).

Almost surely, 2^{1011331323112} is an apocalyptic number.

It is an amenable number.

1011331323112 is an abundant number, since it is smaller than the sum of its proper divisors (1059471753368).

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

1011331323112 is a wasteful number, since it uses less digits than its factorization.

1011331323112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12060153 (or 12060149 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 22.

Adding to 1011331323112 its reverse (2113231331101), we get a palindrome (3124562654213).

The spelling of 1011331323112 in words is "one trillion, eleven billion, three hundred thirty-one million, three hundred twenty-three thousand, one hundred twelve".