120043215221 has 16 divisors (see below), whose sum is σ = 134016839040. Its totient is φ = 106997267520.

The previous prime is 120043215199. The next prime is 120043215223. The reversal of 120043215221 is 122512340021.

It is a cyclic number.

It is not a de Polignac number, because 120043215221 - 2⁶ = 120043215157 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120043215223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2224970 + ... + 2278283.

It is an arithmetic number, because the mean of its divisors is an integer number (8376052440).

Almost surely, 2^120043215221 is an apocalyptic number.

It is an amenable number.

120043215221 is a deficient number, since it is larger than the sum of its proper divisors (13973623819).

120043215221 is a wasteful number, since it uses less digits than its factorization.

120043215221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4503356.

The product of its (nonzero) digits is 960, while the sum is 23.

Adding to 120043215221 its reverse (122512340021), we get a palindrome (242555555242).

The spelling of 120043215221 in words is "one hundred twenty billion, forty-three million, two hundred fifteen thousand, two hundred twenty-one".