120100201111 has 16 divisors (see below), whose sum is σ = 133270272000. Its totient is φ = 107306310400.

The previous prime is 120100201099. The next prime is 120100201253. The reversal of 120100201111 is 111102001021.

It is a cyclic number.

It is not a de Polignac number, because 120100201111 - 2¹⁵ = 120100168343 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120100201411) 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, 3095271 + ... + 3133831.

It is an arithmetic number, because the mean of its divisors is an integer number (8329392000).

Almost surely, 2^120100201111 is an apocalyptic number.

120100201111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

120100201111 is a deficient number, since it is larger than the sum of its proper divisors (13170070889).

120100201111 is a wasteful number, since it uses less digits than its factorization.

120100201111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43430.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 120100201111 its reverse (111102001021), we get a palindrome (231202202132).

The spelling of 120100201111 in words is "one hundred twenty billion, one hundred million, two hundred one thousand, one hundred eleven".