120122222221 has 8 divisors (see below), whose sum is σ = 120300439104. Its totient is φ = 119944060320.

The previous prime is 120122222203. The next prime is 120122222257. The reversal of 120122222221 is 122222221021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 120122222221 - 2¹¹ = 120122220173 is a prime.

It is a super-2 number, since 2×120122222221² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120122222321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6693166 + ... + 6711088.

It is an arithmetic number, because the mean of its divisors is an integer number (15037554888).

Almost surely, 2^120122222221 is an apocalyptic number.

It is an amenable number.

120122222221 is a deficient number, since it is larger than the sum of its proper divisors (178216883).

120122222221 is an equidigital number, since it uses as much as digits as its factorization.

120122222221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27491.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 120122222221 its reverse (122222221021), we get a palindrome (242344443242).

The spelling of 120122222221 in words is "one hundred twenty billion, one hundred twenty-two million, two hundred twenty-two thousand, two hundred twenty-one".