120100111203 has 16 divisors (see below), whose sum is σ = 161389065600. Its totient is φ = 79439688960.

The previous prime is 120100111199. The next prime is 120100111207. The reversal of 120100111203 is 302111001021.

It is an interprime number because it is at equal distance from previous prime (120100111199) and next prime (120100111207).

It is not a de Polignac number, because 120100111203 - 2² = 120100111199 is a prime.

It is a super-2 number, since 2×120100111203² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (120100111207) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 563443 + ... + 746771.

It is an arithmetic number, because the mean of its divisors is an integer number (10086816600).

Almost surely, 2^120100111203 is an apocalyptic number.

120100111203 is a deficient number, since it is larger than the sum of its proper divisors (41288954397).

120100111203 is a wasteful number, since it uses less digits than its factorization.

120100111203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185042.

The product of its (nonzero) digits is 12, while the sum is 12.

Adding to 120100111203 its reverse (302111001021), we get a palindrome (422211112224).

The spelling of 120100111203 in words is "one hundred twenty billion, one hundred million, one hundred eleven thousand, two hundred three".