122122021022121 has 8 divisors (see below), whose sum is σ = 162829573362144. Its totient is φ = 81414574681760.

The previous prime is 122122021022087. The next prime is 122122021022129. The reversal of 122122021022121 is 121220120221221.

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 122122021022121 - 2¹⁰ = 122122021021097 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (122122021022129) 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, 23771556 + ... + 28448741.

It is an arithmetic number, because the mean of its divisors is an integer number (20353696670268).

Almost surely, 2^{122122021022121} is an apocalyptic number.

It is an amenable number.

122122021022121 is a deficient number, since it is larger than the sum of its proper divisors (40707552340023).

122122021022121 is an equidigital number, since it uses as much as digits as its factorization.

122122021022121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52999831.

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 122122021022121 its reverse (121220120221221), we get a palindrome (243342141243342).

The spelling of 122122021022121 in words is "one hundred twenty-two trillion, one hundred twenty-two billion, twenty-one million, twenty-two thousand, one hundred twenty-one".