1102002020120 has 32 divisors (see below), whose sum is σ = 2479706863920. Its totient is φ = 440764840320.

The previous prime is 1102002020087. The next prime is 1102002020149. The reversal of 1102002020120 is 210202002011.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 624911 + ... + 1610750.

Almost surely, 2^{1102002020120} is an apocalyptic number.

1102002020120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1102002020120 is an abundant number, since it is smaller than the sum of its proper divisors (1377704843800).

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

1102002020120 is a wasteful number, since it uses less digits than its factorization.

1102002020120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2247995 (or 2247991 counting only the distinct ones).

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

Adding to 1102002020120 its reverse (210202002011), we get a palindrome (1312204022131).

The spelling of 1102002020120 in words is "one trillion, one hundred two billion, two million, twenty thousand, one hundred twenty".