1201103113020 has 24 divisors (see below), whose sum is σ = 3363088716624. Its totient is φ = 320294163456.

The previous prime is 1201103113009. The next prime is 1201103113043. The reversal of 1201103113020 is 203113011021.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

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, 10009192549 + ... + 10009192668.

It is an arithmetic number, because the mean of its divisors is an integer number (140128696526).

Almost surely, 2^{1201103113020} is an apocalyptic number.

1201103113020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1201103113020 is an abundant number, since it is smaller than the sum of its proper divisors (2161985603604).

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

1201103113020 is a wasteful number, since it uses less digits than its factorization.

1201103113020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20018385229 (or 20018385227 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 1201103113020 its reverse (203113011021), we get a palindrome (1404216124041).

The spelling of 1201103113020 in words is "one trillion, two hundred one billion, one hundred three million, one hundred thirteen thousand, twenty".