120221022111 has 4 divisors (see below), whose sum is σ = 160294696152. Its totient is φ = 80147348072.

The previous prime is 120221022107. The next prime is 120221022197. The reversal of 120221022111 is 111220122021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 111220122021 = 3 ⋅37073374007.

It is a cyclic number.

It is not a de Polignac number, because 120221022111 - 2² = 120221022107 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120221022211) 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, 20036837016 + ... + 20036837021.

It is an arithmetic number, because the mean of its divisors is an integer number (40073674038).

Almost surely, 2^120221022111 is an apocalyptic number.

120221022111 is a deficient number, since it is larger than the sum of its proper divisors (40073674041).

120221022111 is an equidigital number, since it uses as much as digits as its factorization.

120221022111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40073674040.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 120221022111 its reverse (111220122021), we get a palindrome (231441144132).

The spelling of 120221022111 in words is "one hundred twenty billion, two hundred twenty-one million, twenty-two thousand, one hundred eleven".