120221022122111 has 4 divisors (see below), whose sum is σ = 120255459542424. Its totient is φ = 120186584701800.

The previous prime is 120221022122077. The next prime is 120221022122143. The reversal of 120221022122111 is 111221220122021.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 120221022122111 - 2³⁴ = 120203842252927 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 (120221022122911) 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, 17218704920 + ... + 17218711901.

It is an arithmetic number, because the mean of its divisors is an integer number (30063864885606).

Almost surely, 2^{120221022122111} is an apocalyptic number.

120221022122111 is a deficient number, since it is larger than the sum of its proper divisors (34437420313).

120221022122111 is an equidigital number, since it uses as much as digits as its factorization.

120221022122111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34437420312.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 120221022122111 its reverse (111221220122021), we get a palindrome (231442242244132).

The spelling of 120221022122111 in words is "one hundred twenty trillion, two hundred twenty-one billion, twenty-two million, one hundred twenty-two thousand, one hundred eleven".