122120221002121 has 8 divisors (see below), whose sum is σ = 122628582236160. Its totient is φ = 121612723595328.

The previous prime is 122120221002083. The next prime is 122120221002137. The reversal of 122120221002121 is 121200122021221.

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 122120221002121 - 2²⁵ = 122120187447689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122120221012121) 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, 215673481 + ... + 216238966.

It is an arithmetic number, because the mean of its divisors is an integer number (15328572779520).

Almost surely, 2^{122120221002121} is an apocalyptic number.

It is an amenable number.

122120221002121 is a deficient number, since it is larger than the sum of its proper divisors (508361234039).

122120221002121 is an equidigital number, since it uses as much as digits as its factorization.

122120221002121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 431913623.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 122120221002121 its reverse (121200122021221), we get a palindrome (243320343023342).

The spelling of 122120221002121 in words is "one hundred twenty-two trillion, one hundred twenty billion, two hundred twenty-one million, two thousand, one hundred twenty-one".