1002102021120 has 88 divisors (see below), whose sum is σ = 3205160732304. Its totient is φ = 267227201536.

The previous prime is 1002102021091. The next prime is 1002102021187. The reversal of 1002102021120 is 211202012001.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 1002102021096 and 1002102021105.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32605149 + ... + 32635868.

Almost surely, 2^{1002102021120} is an apocalyptic number.

1002102021120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1002102021120 is an abundant number, since it is smaller than the sum of its proper divisors (2203058711184).

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

1002102021120 is an equidigital number, since it uses as much as digits as its factorization.

1002102021120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65241045 (or 65241027 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 1002102021120 its reverse (211202012001), we get a palindrome (1213304033121).

The spelling of 1002102021120 in words is "one trillion, two billion, one hundred two million, twenty-one thousand, one hundred twenty".