1121165205150 has 24 divisors (see below), whose sum is σ = 2780489709144. Its totient is φ = 298977388000.

The previous prime is 1121165205143. The next prime is 1121165205203. The reversal of 1121165205150 is 515025611211.

It is a super-2 number, since 2×1121165205150² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3737217201 + ... + 3737217500.

It is an arithmetic number, because the mean of its divisors is an integer number (115853737881).

Almost surely, 2^{1121165205150} is an apocalyptic number.

1121165205150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1121165205150 is an abundant number, since it is smaller than the sum of its proper divisors (1659324503994).

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

1121165205150 is a wasteful number, since it uses less digits than its factorization.

1121165205150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7474434716 (or 7474434711 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 30.

The spelling of 1121165205150 in words is "one trillion, one hundred twenty-one billion, one hundred sixty-five million, two hundred five thousand, one hundred fifty".