120112272211621 has 2 divisors, whose sum is σ = 120112272211622. Its totient is φ = 120112272211620.

The previous prime is 120112272211559. The next prime is 120112272211627. The reversal of 120112272211621 is 126112272211021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 66606997238721 + 53505274972900 = 8161311^2 + 7314730^2 .

It is a cyclic number.

It is not a de Polignac number, because 120112272211621 - 2¹⁵ = 120112272178853 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120112272211627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60056136105810 + 60056136105811.

It is an arithmetic number, because the mean of its divisors is an integer number (60056136105811).

Almost surely, 2^{120112272211621} is an apocalyptic number.

It is an amenable number.

120112272211621 is a deficient number, since it is larger than the sum of its proper divisors (1).

120112272211621 is an equidigital number, since it uses as much as digits as its factorization.

120112272211621 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2688, while the sum is 31.

The spelling of 120112272211621 in words is "one hundred twenty trillion, one hundred twelve billion, two hundred seventy-two million, two hundred eleven thousand, six hundred twenty-one".