120221022021101 has 4 divisors (see below), whose sum is σ = 121669468069632. Its totient is φ = 118772575972572.

The previous prime is 120221022021083. The next prime is 120221022021127. The reversal of 120221022021101 is 101120220122021.

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.

It is a cyclic number.

It is not a de Polignac number, because 120221022021101 - 2²⁶ = 120220954912237 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 120221022021101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120221022021161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 724223024141 + ... + 724223024306.

It is an arithmetic number, because the mean of its divisors is an integer number (30417367017408).

Almost surely, 2^{120221022021101} is an apocalyptic number.

It is an amenable number.

120221022021101 is a deficient number, since it is larger than the sum of its proper divisors (1448446048531).

120221022021101 is an equidigital number, since it uses as much as digits as its factorization.

120221022021101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1448446048530.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 120221022021101 its reverse (101120220122021), we get a palindrome (221341242143122).

The spelling of 120221022021101 in words is "one hundred twenty trillion, two hundred twenty-one billion, twenty-two million, twenty-one thousand, one hundred one".