120221020120111 has 4 divisors (see below), whose sum is σ = 123470236880152. Its totient is φ = 116971803360072.

The previous prime is 120221020120063. The next prime is 120221020120129. The reversal of 120221020120111 is 111021020122021.

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 120221020120111 - 2⁷ = 120221020119983 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 (120221020120151) 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, 1624608379965 + ... + 1624608380038.

It is an arithmetic number, because the mean of its divisors is an integer number (30867559220038).

Almost surely, 2^{120221020120111} is an apocalyptic number.

120221020120111 is a deficient number, since it is larger than the sum of its proper divisors (3249216760041).

120221020120111 is an equidigital number, since it uses as much as digits as its factorization.

120221020120111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3249216760040.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 120221020120111 its reverse (111021020122021), we get a palindrome (231242040242132).

The spelling of 120221020120111 in words is "one hundred twenty trillion, two hundred twenty-one billion, twenty million, one hundred twenty thousand, one hundred eleven".