120221320001 has 4 divisors (see below), whose sum is σ = 127293162372. Its totient is φ = 113149477632.

The previous prime is 120221319991. The next prime is 120221320003. The reversal of 120221320001 is 100023122021.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 100023122021 = 787 ⋅127094183.

It can be written as a sum of positive squares in 2 ways, for example, as 45460636225 + 74760683776 = 213215^2 + 273424^2 .

It is a cyclic number.

It is not a de Polignac number, because 120221320001 - 2⁶ = 120221319937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120221320003) 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, 3535921160 + ... + 3535921193.

It is an arithmetic number, because the mean of its divisors is an integer number (31823290593).

Almost surely, 2^120221320001 is an apocalyptic number.

It is an amenable number.

120221320001 is a deficient number, since it is larger than the sum of its proper divisors (7071842371).

120221320001 is an equidigital number, since it uses as much as digits as its factorization.

120221320001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7071842370.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 120221320001 its reverse (100023122021), we get a palindrome (220244442022).

The spelling of 120221320001 in words is "one hundred twenty billion, two hundred twenty-one million, three hundred twenty thousand, one".