120103010111 has 12 divisors (see below), whose sum is σ = 140811763968. Its totient is φ = 102134837952.

The previous prime is 120103010087. The next prime is 120103010113. The reversal of 120103010111 is 111010301021.

It is a happy number.

It is not a de Polignac number, because 120103010111 - 2¹⁴ = 120102993727 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120103010092 and 120103010101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120103010113) 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, 9643706 + ... + 9656151.

It is an arithmetic number, because the mean of its divisors is an integer number (11734313664).

Almost surely, 2^120103010111 is an apocalyptic number.

120103010111 is a deficient number, since it is larger than the sum of its proper divisors (20708753857).

120103010111 is a wasteful number, since it uses less digits than its factorization.

120103010111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19299998 (or 19299991 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 11.

Adding to 120103010111 its reverse (111010301021), we get a palindrome (231113311132).

The spelling of 120103010111 in words is "one hundred twenty billion, one hundred three million, ten thousand, one hundred eleven".