201103100120 has 64 divisors (see below), whose sum is σ = 488419424640. Its totient is φ = 74081088000.

The previous prime is 201103100117. The next prime is 201103100131. The reversal of 201103100120 is 21001301102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 224531 + ... + 672770.

It is an arithmetic number, because the mean of its divisors is an integer number (7631553510).

Almost surely, 2^201103100120 is an apocalyptic number.

201103100120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201103100120 is an abundant number, since it is smaller than the sum of its proper divisors (287316324520).

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

201103100120 is a wasteful number, since it uses less digits than its factorization.

201103100120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 897756 (or 897752 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 201103100120 its reverse (21001301102), we get a palindrome (222104401222).

The spelling of 201103100120 in words is "two hundred one billion, one hundred three million, one hundred thousand, one hundred twenty".