120102210221021 has 8 divisors (see below), whose sum is σ = 137263156515840. Its totient is φ = 102942135849168.

The previous prime is 120102210220961. The next prime is 120102210221047. The reversal of 120102210221021 is 120122012201021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 120102210221021 - 2⁶ = 120102210220957 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120102210121021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 217685546 + ... + 218236571.

It is an arithmetic number, because the mean of its divisors is an integer number (17157894564480).

Almost surely, 2^{120102210221021} is an apocalyptic number.

It is an amenable number.

120102210221021 is a deficient number, since it is larger than the sum of its proper divisors (17160946294819).

120102210221021 is an equidigital number, since it uses as much as digits as its factorization.

120102210221021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 435961483.

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

Adding to 120102210221021 its reverse (120122012201021), we get a palindrome (240224222422042).

The spelling of 120102210221021 in words is "one hundred twenty trillion, one hundred two billion, two hundred ten million, two hundred twenty-one thousand, twenty-one".