122210020211111 has 8 divisors (see below), whose sum is σ = 143075145613344. Its totient is φ = 102196532580480.

The previous prime is 122210020211003. The next prime is 122210020211183. The reversal of 122210020211111 is 111112020012221.

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 122210020211111 - 2¹⁸ = 122210019948967 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 122210020211111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122210020211311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 212909442590 + ... + 212909443163.

It is an arithmetic number, because the mean of its divisors is an integer number (17884393201668).

Almost surely, 2^{122210020211111} is an apocalyptic number.

122210020211111 is a deficient number, since it is larger than the sum of its proper divisors (20865125402233).

122210020211111 is an equidigital number, since it uses as much as digits as its factorization.

122210020211111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 425818885801.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 122210020211111 its reverse (111112020012221), we get a palindrome (233322040223332).

The spelling of 122210020211111 in words is "one hundred twenty-two trillion, two hundred ten billion, twenty million, two hundred eleven thousand, one hundred eleven".