2120032220321 has 4 divisors (see below), whose sum is σ = 2212207534272. Its totient is φ = 2027856906372.

The previous prime is 2120032220311. The next prime is 2120032220347. The reversal of 2120032220321 is 1230222300212.

It is a happy number.

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 2120032220321 - 2³⁴ = 2102852351137 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2120032220293 and 2120032220302.

It is not an unprimeable number, because it can be changed into a prime (2120032220311) 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, 46087656941 + ... + 46087656986.

It is an arithmetic number, because the mean of its divisors is an integer number (553051883568).

Almost surely, 2^{2120032220321} is an apocalyptic number.

It is an amenable number.

2120032220321 is a deficient number, since it is larger than the sum of its proper divisors (92175313951).

2120032220321 is an equidigital number, since it uses as much as digits as its factorization.

2120032220321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92175313950.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 2120032220321 its reverse (1230222300212), we get a palindrome (3350254520533).

The spelling of 2120032220321 in words is "two trillion, one hundred twenty billion, thirty-two million, two hundred twenty thousand, three hundred twenty-one".