1121003011312 has 40 divisors (see below), whose sum is σ = 2178914446800. Its totient is φ = 558704712192.

The previous prime is 1121003011309. The next prime is 1121003011313. The reversal of 1121003011312 is 2131103001211.

It is a happy number.

It is a super-2 number, since 2×1121003011312² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121003011313) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8171188 + ... + 8307244.

It is an arithmetic number, because the mean of its divisors is an integer number (54472861170).

Almost surely, 2^{1121003011312} is an apocalyptic number.

It is an amenable number.

1121003011312 is a deficient number, since it is larger than the sum of its proper divisors (1057911435488).

1121003011312 is a wasteful number, since it uses less digits than its factorization.

1121003011312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137713 (or 137707 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 1121003011312 its reverse (2131103001211), we get a palindrome (3252106012523).

The spelling of 1121003011312 in words is "one trillion, one hundred twenty-one billion, three million, eleven thousand, three hundred twelve".