120010010012221 has 32 divisors (see below), whose sum is σ = 140372446798080. Its totient is φ = 100480168065024.

The previous prime is 120010010012183. The next prime is 120010010012261. The reversal of 120010010012221 is 122210010010021.

It is not a de Polignac number, because 120010010012221 - 2¹¹ = 120010010010173 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120010010012261) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1877676961 + ... + 1877740873.

It is an arithmetic number, because the mean of its divisors is an integer number (4386638962440).

Almost surely, 2^{120010010012221} is an apocalyptic number.

It is an amenable number.

120010010012221 is a deficient number, since it is larger than the sum of its proper divisors (20362436785859).

120010010012221 is an equidigital number, since it uses as much as digits as its factorization.

120010010012221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100405.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 120010010012221 its reverse (122210010010021), we get a palindrome (242220020022242).

The spelling of 120010010012221 in words is "one hundred twenty trillion, ten billion, ten million, twelve thousand, two hundred twenty-one".