120221222111 has 8 divisors (see below), whose sum is σ = 125487744864. Its totient is φ = 114957992160.

The previous prime is 120221222101. The next prime is 120221222123. The reversal of 120221222111 is 111222122021.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120221222111 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 120221222111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120221222101) 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, 748436 + ... + 894761.

It is an arithmetic number, because the mean of its divisors is an integer number (15685968108).

Almost surely, 2^120221222111 is an apocalyptic number.

120221222111 is a deficient number, since it is larger than the sum of its proper divisors (5266522753).

120221222111 is a wasteful number, since it uses less digits than its factorization.

120221222111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1646401.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 120221222111 its reverse (111222122021), we get a palindrome (231443344132).

The spelling of 120221222111 in words is "one hundred twenty billion, two hundred twenty-one million, two hundred twenty-two thousand, one hundred eleven".