1121045602020 has 48 divisors (see below), whose sum is σ = 3166705825920. Its totient is φ = 296299956736.

The previous prime is 1121045602009. The next prime is 1121045602021. The reversal of 1121045602020 is 202065401211.

It is not an unprimeable number, because it can be changed into a prime (1121045602021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 82666200 + ... + 82679759.

It is an arithmetic number, because the mean of its divisors is an integer number (65973038040).

Almost surely, 2^{1121045602020} is an apocalyptic number.

1121045602020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1121045602020 is an abundant number, since it is smaller than the sum of its proper divisors (2045660223900).

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

1121045602020 is a wasteful number, since it uses less digits than its factorization.

1121045602020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165346084 (or 165346082 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 24.

The spelling of 1121045602020 in words is "one trillion, one hundred twenty-one billion, forty-five million, six hundred two thousand, twenty".