120220222221 has 64 divisors (see below), whose sum is σ = 197148672000. Its totient is φ = 71798529600.

The previous prime is 120220222189. The next prime is 120220222231. The reversal of 120220222221 is 122222022021.

120220222221 is a `hidden beast` number, since 1 + 2 + 0 + 220 + 222 + 221 = 666.

It is not a de Polignac number, because 120220222221 - 2⁵ = 120220222189 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 120220222194 and 120220222203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120220222231) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5609436 + ... + 5630826.

It is an arithmetic number, because the mean of its divisors is an integer number (3080448000).

Almost surely, 2^120220222221 is an apocalyptic number.

120220222221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

120220222221 is a deficient number, since it is larger than the sum of its proper divisors (76928449779).

120220222221 is a wasteful number, since it uses less digits than its factorization.

120220222221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21687 (or 21681 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 120220222221 its reverse (122222022021), we get a palindrome (242442244242).

The spelling of 120220222221 in words is "one hundred twenty billion, two hundred twenty million, two hundred twenty-two thousand, two hundred twenty-one".