120100010103 has 12 divisors (see below), whose sum is σ = 178166381848. Its totient is φ = 77902709040.

The previous prime is 120100010089. The next prime is 120100010123. The reversal of 120100010103 is 301010001021.

It is not a de Polignac number, because 120100010103 - 2⁸ = 120100009847 is a prime.

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

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120100010123) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 180330013 + ... + 180330678.

Almost surely, 2^120100010103 is an apocalyptic number.

120100010103 is a deficient number, since it is larger than the sum of its proper divisors (58066371745).

120100010103 is a wasteful number, since it uses less digits than its factorization.

120100010103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360660734 (or 360660731 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 9.

Adding to 120100010103 its reverse (301010001021), we get a palindrome (421110011124).

The spelling of 120100010103 in words is "one hundred twenty billion, one hundred million, ten thousand, one hundred three".