120000022212121 has 8 divisors (see below), whose sum is σ = 120310038576000. Its totient is φ = 119690013710640.

The previous prime is 120000022212071. The next prime is 120000022212131. The reversal of 120000022212121 is 121212220000021.

It is a happy number.

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 120000022212121 - 2¹¹ = 120000022210073 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120000022212095 and 120000022212104.

It is not an unprimeable number, because it can be changed into a prime (120000022212131) 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, 29237830 + ... + 33088528.

It is an arithmetic number, because the mean of its divisors is an integer number (15038754822000).

Almost surely, 2^{120000022212121} is an apocalyptic number.

It is an amenable number.

120000022212121 is a deficient number, since it is larger than the sum of its proper divisors (310016363879).

120000022212121 is an equidigital number, since it uses as much as digits as its factorization.

120000022212121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3931199.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 120000022212121 its reverse (121212220000021), we get a palindrome (241212242212142).

The spelling of 120000022212121 in words is "one hundred twenty trillion, twenty-two million, two hundred twelve thousand, one hundred twenty-one".