122110121211 has 8 divisors (see below), whose sum is σ = 175337610000. Its totient is φ = 75144689952.

The previous prime is 122110121209. The next prime is 122110121299. The reversal of 122110121211 is 112121011221.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 122110121211 - 2¹ = 122110121209 is a prime.

It is a super-2 number, since 2×122110121211² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (122110121011) 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, 1565514336 + ... + 1565514413.

It is an arithmetic number, because the mean of its divisors is an integer number (21917201250).

Almost surely, 2^122110121211 is an apocalyptic number.

122110121211 is a deficient number, since it is larger than the sum of its proper divisors (53227488789).

122110121211 is a wasteful number, since it uses less digits than its factorization.

122110121211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3131028765.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 122110121211 its reverse (112121011221), we get a palindrome (234231132432).

The spelling of 122110121211 in words is "one hundred twenty-two billion, one hundred ten million, one hundred twenty-one thousand, two hundred eleven".