1121322131982 has 24 divisors (see below), whose sum is σ = 2616418308504. Its totient is φ = 345022194384.

The previous prime is 1121322131971. The next prime is 1121322131983. The reversal of 1121322131982 is 2891312231211.

1121322131982 is a `hidden beast` number, since 1 + 12 + 1 + 322 + 1 + 319 + 8 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121322131983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2395987228 + ... + 2395987695.

It is an arithmetic number, because the mean of its divisors is an integer number (109017429521).

Almost surely, 2^{1121322131982} is an apocalyptic number.

1121322131982 is an abundant number, since it is smaller than the sum of its proper divisors (1495096176522).

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

1121322131982 is a wasteful number, since it uses less digits than its factorization.

1121322131982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4791974944 (or 4791974941 counting only the distinct ones).

The product of its digits is 10368, while the sum is 36.

The spelling of 1121322131982 in words is "one trillion, one hundred twenty-one billion, three hundred twenty-two million, one hundred thirty-one thousand, nine hundred eighty-two".