120211111201 has 4 divisors (see below), whose sum is σ = 121378209472. Its totient is φ = 119044012932.

The previous prime is 120211111157. The next prime is 120211111271. The reversal of 120211111201 is 102111112021.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 102111112021 = 124193 ⋅822197.

It is a cyclic number.

It is not a de Polignac number, because 120211111201 - 2⁹ = 120211110689 is a prime.

It is a super-2 number, since 2×120211111201² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120211111271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 583548981 + ... + 583549186.

It is an arithmetic number, because the mean of its divisors is an integer number (30344552368).

Almost surely, 2^120211111201 is an apocalyptic number.

It is an amenable number.

120211111201 is a deficient number, since it is larger than the sum of its proper divisors (1167098271).

120211111201 is a wasteful number, since it uses less digits than its factorization.

120211111201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1167098270.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 120211111201 its reverse (102111112021), we get a palindrome (222322223222).

It can be divided in two parts, 1 and 20211111201, that added together give a palindrome (20211111202).

The spelling of 120211111201 in words is "one hundred twenty billion, two hundred eleven million, one hundred eleven thousand, two hundred one".