122011212111 has 8 divisors (see below), whose sum is σ = 162686018304. Its totient is φ = 81338607000.

The previous prime is 122011212109. The next prime is 122011212151. The reversal of 122011212111 is 111212110221.

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 122011212111 - 2¹ = 122011212109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122011212151) 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, 416265 + ... + 645986.

It is an arithmetic number, because the mean of its divisors is an integer number (20335752288).

Almost surely, 2^122011212111 is an apocalyptic number.

122011212111 is a deficient number, since it is larger than the sum of its proper divisors (40674806193).

122011212111 is a wasteful number, since it uses less digits than its factorization.

122011212111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1100541.

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

Adding to 122011212111 its reverse (111212110221), we get a palindrome (233223322332).

The spelling of 122011212111 in words is "one hundred twenty-two billion, eleven million, two hundred twelve thousand, one hundred eleven".