120101200111 has 4 divisors (see below), whose sum is σ = 120119258952. Its totient is φ = 120083141272.

The previous prime is 120101200103. The next prime is 120101200133. The reversal of 120101200111 is 111002101021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 111002101021 = 7 ⋅15857443003.

It is a cyclic number.

It is not a de Polignac number, because 120101200111 - 2³ = 120101200103 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 (120101230111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9019441 + ... + 9032746.

It is an arithmetic number, because the mean of its divisors is an integer number (30029814738).

Almost surely, 2^120101200111 is an apocalyptic number.

120101200111 is a deficient number, since it is larger than the sum of its proper divisors (18058841).

120101200111 is an equidigital number, since it uses as much as digits as its factorization.

120101200111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18058840.

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

Adding to 120101200111 its reverse (111002101021), we get a palindrome (231103301132).

It can be divided in two parts, 12010 and 1200111, that added together give a palindrome (1212121).

The spelling of 120101200111 in words is "one hundred twenty billion, one hundred one million, two hundred thousand, one hundred eleven".