201120120122111 has 8 divisors (see below), whose sum is σ = 204917138794080. Its totient is φ = 197323186614112.

The previous prime is 201120120122099. The next prime is 201120120122179. The reversal of 201120120122111 is 111221021021102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 201120120122111 - 2¹⁰ = 201120120121087 is a prime.

It is a super-3 number, since 3×201120120122111³ (a number of 44 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 201120120122111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201120120122011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16513256 + ... + 25979373.

It is an arithmetic number, because the mean of its divisors is an integer number (25614642349260).

Almost surely, 2^{201120120122111} is an apocalyptic number.

201120120122111 is a deficient number, since it is larger than the sum of its proper divisors (3797018671969).

201120120122111 is an equidigital number, since it uses as much as digits as its factorization.

201120120122111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42581985.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 201120120122111 its reverse (111221021021102), we get a palindrome (312341141143213).

The spelling of 201120120122111 in words is "two hundred one trillion, one hundred twenty billion, one hundred twenty million, one hundred twenty-two thousand, one hundred eleven".