122122022221121 has 8 divisors (see below), whose sum is σ = 131518104219264. Its totient is φ = 112726237407120.

The previous prime is 122122022221103. The next prime is 122122022221139. The reversal of 122122022221121 is 121122220221221.

It is an interprime number because it is at equal distance from previous prime (122122022221103) and next prime (122122022221139).

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 122122022221121 - 2¹⁰ = 122122022220097 is a prime.

It is a super-2 number, since 2×122122022221121² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122122022221151) 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, 73442195 + ... + 75086616.

It is an arithmetic number, because the mean of its divisors is an integer number (16439763027408).

Almost surely, 2^{122122022221121} is an apocalyptic number.

It is an amenable number.

122122022221121 is a deficient number, since it is larger than the sum of its proper divisors (9396081998143).

122122022221121 is a wasteful number, since it uses less digits than its factorization.

122122022221121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148592071.

The product of its (nonzero) digits is 512, while the sum is 23.

Adding to 122122022221121 its reverse (121122220221221), we get a palindrome (243244242442342).

The spelling of 122122022221121 in words is "one hundred twenty-two trillion, one hundred twenty-two billion, twenty-two million, two hundred twenty-one thousand, one hundred twenty-one".