1101020120112 has 80 divisors (see below), whose sum is σ = 3155466072960. Its totient is φ = 327987494400.

The previous prime is 1101020120003. The next prime is 1101020120113. The reversal of 1101020120112 is 2110210201011.

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

It is not an unprimeable number, because it can be changed into a prime (1101020120113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17640589 + ... + 17702892.

It is an arithmetic number, because the mean of its divisors is an integer number (39443325912).

Almost surely, 2^{1101020120112} is an apocalyptic number.

1101020120112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1101020120112 is an abundant number, since it is smaller than the sum of its proper divisors (2054445952848).

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

1101020120112 is a wasteful number, since it uses less digits than its factorization.

1101020120112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35343562 (or 35343556 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 1101020120112 its reverse (2110210201011), we get a palindrome (3211230321123).

The spelling of 1101020120112 in words is "one trillion, one hundred one billion, twenty million, one hundred twenty thousand, one hundred twelve".