120221121002221 has 4 divisors (see below), whose sum is σ = 124099221679744. Its totient is φ = 116343020324700.

The previous prime is 120221121002219. The next prime is 120221121002233. The reversal of 120221121002221 is 122200121122021.

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 120221121002221 - 2¹ = 120221121002219 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 (120221121002251) 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, 1939050338715 + ... + 1939050338776.

It is an arithmetic number, because the mean of its divisors is an integer number (31024805419936).

Almost surely, 2^{120221121002221} is an apocalyptic number.

It is an amenable number.

120221121002221 is a deficient number, since it is larger than the sum of its proper divisors (3878100677523).

120221121002221 is an equidigital number, since it uses as much as digits as its factorization.

120221121002221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3878100677522.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 120221121002221 its reverse (122200121122021), we get a palindrome (242421242124242).

The spelling of 120221121002221 in words is "one hundred twenty trillion, two hundred twenty-one billion, one hundred twenty-one million, two thousand, two hundred twenty-one".