101120403204 has 72 divisors (see below), whose sum is σ = 270914618520. Its totient is φ = 31692536832.

The previous prime is 101120403203. The next prime is 101120403257. The reversal of 101120403204 is 402304021101.

It can be written as a sum of positive squares in 4 ways, for example, as 6471880704 + 94648522500 = 80448^2 + 307650^2 .

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

It is not an unprimeable number, because it can be changed into a prime (101120403203) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 538402 + ... + 701510.

It is an arithmetic number, because the mean of its divisors is an integer number (3762703035).

Almost surely, 2^101120403204 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 101120403204, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (135457309260).

101120403204 is an abundant number, since it is smaller than the sum of its proper divisors (169794215316).

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

101120403204 is a wasteful number, since it uses less digits than its factorization.

101120403204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164149 (or 164144 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 101120403204 its reverse (402304021101), we get a palindrome (503424424305).

The spelling of 101120403204 in words is "one hundred one billion, one hundred twenty million, four hundred three thousand, two hundred four".