120122221121 has 8 divisors (see below), whose sum is σ = 137391589440. Its totient is φ = 102880115568.

The previous prime is 120122221081. The next prime is 120122221123. The reversal of 120122221121 is 121122221021.

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-120122221121 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 120122221121.

It is not an unprimeable number, because it can be changed into a prime (120122221123) 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, 6806246 + ... + 6823871.

It is an arithmetic number, because the mean of its divisors is an integer number (17173948680).

Almost surely, 2^120122221121 is an apocalyptic number.

It is an amenable number.

120122221121 is a deficient number, since it is larger than the sum of its proper divisors (17269368319).

120122221121 is a wasteful number, since it uses less digits than its factorization.

120122221121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13631383.

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

Adding to 120122221121 its reverse (121122221021), we get a palindrome (241244442142).

The spelling of 120122221121 in words is "one hundred twenty billion, one hundred twenty-two million, two hundred twenty-one thousand, one hundred twenty-one".