1121020202000 has 160 divisors (see below), whose sum is σ = 2799463680000. Its totient is φ = 433726656000.

The previous prime is 1121020201937. The next prime is 1121020202017. The reversal of 1121020202000 is 2020201211.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 185934986 + ... + 185941014.

It is an arithmetic number, because the mean of its divisors is an integer number (17496648000).

Almost surely, 2^{1121020202000} is an apocalyptic number.

1121020202000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1121020202000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1399731840000).

1121020202000 is an abundant number, since it is smaller than the sum of its proper divisors (1678443478000).

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

1121020202000 is a wasteful number, since it uses less digits than its factorization.

1121020202000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9082 (or 9066 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 1121020202000 its reverse (2020201211), we get a palindrome (1123040403211).

The spelling of 1121020202000 in words is "one trillion, one hundred twenty-one billion, twenty million, two hundred two thousand".