122212121111011 has 8 divisors (see below), whose sum is σ = 122239436521904. Its totient is φ = 122184808058880.

The previous prime is 122212121110913. The next prime is 122212121111057. The reversal of 122212121111011 is 110111121212221.

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 122212121111011 - 2²⁵ = 122212087556579 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 122212121111011.

It is not an unprimeable number, because it can be changed into a prime (122212121121011) 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, 105156451 + ... + 106312291.

It is an arithmetic number, because the mean of its divisors is an integer number (15279929565238).

Almost surely, 2^{122212121111011} is an apocalyptic number.

122212121111011 is a deficient number, since it is larger than the sum of its proper divisors (27315410893).

122212121111011 is a wasteful number, since it uses less digits than its factorization.

122212121111011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1179381.

The product of its (nonzero) digits is 32, while the sum is 19.

Adding to 122212121111011 its reverse (110111121212221), we get a palindrome (232323242323232).

The spelling of 122212121111011 in words is "one hundred twenty-two trillion, two hundred twelve billion, one hundred twenty-one million, one hundred eleven thousand, eleven".