120210221222021 has 48 divisors (see below), whose sum is σ = 143237005148160. Its totient is φ = 98757043650720.

The previous prime is 120210221221997. The next prime is 120210221222023. The reversal of 120210221222021 is 120222122012021.

It is not a de Polignac number, because 120210221222021 - 2¹⁸ = 120210220959877 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 120210221221984 and 120210221222002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120210221222023) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 631689116 + ... + 631879386.

It is an arithmetic number, because the mean of its divisors is an integer number (2984104273920).

Almost surely, 2^{120210221222021} is an apocalyptic number.

It is an amenable number.

120210221222021 is a deficient number, since it is larger than the sum of its proper divisors (23026783926139).

120210221222021 is an equidigital number, since it uses as much as digits as its factorization.

120210221222021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190726 (or 190563 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 120210221222021 its reverse (120222122012021), we get a palindrome (240432343234042).

The spelling of 120210221222021 in words is "one hundred twenty trillion, two hundred ten billion, two hundred twenty-one million, two hundred twenty-two thousand, twenty-one".