1121165121712 has 40 divisors (see below), whose sum is σ = 2179078387200. Its totient is φ = 558824904192.

The previous prime is 1121165121709. The next prime is 1121165121757. The reversal of 1121165121712 is 2171215611211.

It is a happy number.

It is a super-2 number, since 2×1121165121712² (a number of 25 digits) contains 22 as substring.

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, 6899089 + ... + 7059727.

It is an arithmetic number, because the mean of its divisors is an integer number (54476959680).

Almost surely, 2^{1121165121712} is an apocalyptic number.

It is an amenable number.

1121165121712 is a deficient number, since it is larger than the sum of its proper divisors (1057913265488).

1121165121712 is a wasteful number, since it uses less digits than its factorization.

1121165121712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162013 (or 162007 counting only the distinct ones).

The product of its digits is 1680, while the sum is 31.

The spelling of 1121165121712 in words is "one trillion, one hundred twenty-one billion, one hundred sixty-five million, one hundred twenty-one thousand, seven hundred twelve".