1102012020120 has 128 divisors (see below), whose sum is σ = 3625272599040. Its totient is φ = 265770147840.

The previous prime is 1102012020101. The next prime is 1102012020227. The reversal of 1102012020120 is 210202102011.

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 = 1102012020096 and 1102012020105.

It is a congruent 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, 1908084 + ... + 2417603.

It is an arithmetic number, because the mean of its divisors is an integer number (28322442180).

Almost surely, 2^{1102012020120} is an apocalyptic number.

1102012020120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1102012020120 is an abundant number, since it is smaller than the sum of its proper divisors (2523260578920).

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

1102012020120 is a wasteful number, since it uses less digits than its factorization.

1102012020120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4325905 (or 4325901 counting only the distinct ones).

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

Adding to 1102012020120 its reverse (210202102011), we get a palindrome (1312214122131).

The spelling of 1102012020120 in words is "one trillion, one hundred two billion, twelve million, twenty thousand, one hundred twenty".