1121054501210 has 128 divisors (see below), whose sum is σ = 2418665011200. Its totient is φ = 373779124992.

The previous prime is 1121054501209. The next prime is 1121054501221. The reversal of 1121054501210 is 121054501211.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 25287824 + ... + 25332116.

It is an arithmetic number, because the mean of its divisors is an integer number (18895820400).

Almost surely, 2^{1121054501210} is an apocalyptic number.

1121054501210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1121054501210 is an abundant number, since it is smaller than the sum of its proper divisors (1297610509990).

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

1121054501210 is a wasteful number, since it uses less digits than its factorization.

1121054501210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44525 (or 44511 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 23.

Subtracting from 1121054501210 its reverse (121054501211), we obtain a palindrome (999999999999).

The spelling of 1121054501210 in words is "one trillion, one hundred twenty-one billion, fifty-four million, five hundred one thousand, two hundred ten".