122122111022011 has 8 divisors (see below), whose sum is σ = 127866688740000. Its totient is φ = 116413776697152.

The previous prime is 122122111021973. The next prime is 122122111022017. The reversal of 122122111022011 is 110220111221221.

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 122122111022011 - 2¹⁵ = 122122110989243 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 122122111022011.

It is not an unprimeable number, because it can be changed into a prime (122122111022017) 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, 9060841386 + ... + 9060854863.

It is an arithmetic number, because the mean of its divisors is an integer number (15983336092500).

Almost surely, 2^{122122111022011} is an apocalyptic number.

122122111022011 is a deficient number, since it is larger than the sum of its proper divisors (5744577717989).

122122111022011 is a wasteful number, since it uses less digits than its factorization.

122122111022011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18121696565.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 122122111022011 its reverse (110220111221221), we get a palindrome (232342222243232).

The spelling of 122122111022011 in words is "one hundred twenty-two trillion, one hundred twenty-two billion, one hundred eleven million, twenty-two thousand, eleven".