122000121211 has 4 divisors (see below), whose sum is σ = 125935609024. Its totient is φ = 118064633400.

The previous prime is 122000121197. The next prime is 122000121227. The reversal of 122000121211 is 112121000221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 122000121211 - 2¹³ = 122000113019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122000121191 and 122000121200.

It is not an unprimeable number, because it can be changed into a prime (122000121241) 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, 1967743860 + ... + 1967743921.

It is an arithmetic number, because the mean of its divisors is an integer number (31483902256).

Almost surely, 2^122000121211 is an apocalyptic number.

122000121211 is a deficient number, since it is larger than the sum of its proper divisors (3935487813).

122000121211 is an equidigital number, since it uses as much as digits as its factorization.

122000121211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3935487812.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 122000121211 its reverse (112121000221), we get a palindrome (234121121432).

The spelling of 122000121211 in words is "one hundred twenty-two billion, one hundred twenty-one thousand, two hundred eleven".