201001110120 has 64 divisors (see below), whose sum is σ = 670003704000. Its totient is φ = 53600295744.

The previous prime is 201001110119. The next prime is 201001110139. The reversal of 201001110120 is 21011100102.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (9).

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, 93054990 + ... + 93057149.

It is an arithmetic number, because the mean of its divisors is an integer number (10468807875).

Almost surely, 2^201001110120 is an apocalyptic number.

201001110120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201001110120 is an abundant number, since it is smaller than the sum of its proper divisors (469002593880).

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

201001110120 is a wasteful number, since it uses less digits than its factorization.

201001110120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186112159 (or 186112149 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 201001110120 its reverse (21011100102), we get a palindrome (222012210222).

The spelling of 201001110120 in words is "two hundred one billion, one million, one hundred ten thousand, one hundred twenty".