201101125104 has 120 divisors (see below), whose sum is σ = 614096326272. Its totient is φ = 60926981760.

The previous prime is 201101125097. The next prime is 201101125151. The reversal of 201101125104 is 401521101102.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9885087 + ... + 9905409.

Almost surely, 2^201101125104 is an apocalyptic number.

201101125104 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

201101125104 is an abundant number, since it is smaller than the sum of its proper divisors (412995201168).

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

201101125104 is a wasteful number, since it uses less digits than its factorization.

201101125104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26595 (or 26586 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 18.

Adding to 201101125104 its reverse (401521101102), we get a palindrome (602622226206).

The spelling of 201101125104 in words is "two hundred one billion, one hundred one million, one hundred twenty-five thousand, one hundred four".