1002202121120 has 24 divisors (see below), whose sum is σ = 2367702511524. Its totient is φ = 400880848384.

The previous prime is 1002202121117. The next prime is 1002202121153. The reversal of 1002202121120 is 211212022001.

It can be written as a sum of positive squares in 2 ways, for example, as 960721466896 + 41480654224 = 980164^2 + 203668^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1002202121095 and 1002202121104.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3131881469 + ... + 3131881788.

Almost surely, 2^{1002202121120} is an apocalyptic number.

1002202121120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1002202121120 is an abundant number, since it is smaller than the sum of its proper divisors (1365500390404).

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

1002202121120 is an equidigital number, since it uses as much as digits as its factorization.

1002202121120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6263763272 (or 6263763264 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 1002202121120 its reverse (211212022001), we get a palindrome (1213414143121).

The spelling of 1002202121120 in words is "one trillion, two billion, two hundred two million, one hundred twenty-one thousand, one hundred twenty".