120122222121121 has 4 divisors (see below), whose sum is σ = 131042424132144. Its totient is φ = 109202020110100.

The previous prime is 120122222121101. The next prime is 120122222121203. The reversal of 120122222121121 is 121121222221021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120122222121121 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120122222121092 and 120122222121101.

It is not an unprimeable number, because it can be changed into a prime (120122222121101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5460101005495 + ... + 5460101005516.

It is an arithmetic number, because the mean of its divisors is an integer number (32760606033036).

Almost surely, 2^{120122222121121} is an apocalyptic number.

120122222121121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

120122222121121 is a deficient number, since it is larger than the sum of its proper divisors (10920202011023).

120122222121121 is a wasteful number, since it uses less digits than its factorization.

120122222121121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10920202011022.

The product of its (nonzero) digits is 256, while the sum is 22.

Adding to 120122222121121 its reverse (121121222221021), we get a palindrome (241243444342142).

The spelling of 120122222121121 in words is "one hundred twenty trillion, one hundred twenty-two billion, two hundred twenty-two million, one hundred twenty-one thousand, one hundred twenty-one".