1002211121120 has 96 divisors (see below), whose sum is σ = 2734910964576. Its totient is φ = 343002726400.

The previous prime is 1002211121113. The next prime is 1002211121143. The reversal of 1002211121120 is 211211122001.

It is a junction number, because it is equal to n+sod(n) for n = 1002211121095 and 1002211121104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16718261 + ... + 16778100.

It is an arithmetic number, because the mean of its divisors is an integer number (28488655881).

Almost surely, 2^{1002211121120} is an apocalyptic number.

1002211121120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1002211121120 is an abundant number, since it is smaller than the sum of its proper divisors (1732699843456).

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

1002211121120 is a wasteful number, since it uses less digits than its factorization.

1002211121120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33496404 (or 33496396 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1002211121120 its reverse (211211122001), we get a palindrome (1213422243121).

The spelling of 1002211121120 in words is "one trillion, two billion, two hundred eleven million, one hundred twenty-one thousand, one hundred twenty".