122210020111 has 4 divisors (see below), whose sum is σ = 122245893792. Its totient is φ = 122174146432.

The previous prime is 122210020109. The next prime is 122210020169. The reversal of 122210020111 is 111020012221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 111020012221 = 389 ⋅285398489.

It is a cyclic number.

It is not a de Polignac number, because 122210020111 - 2¹ = 122210020109 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122210020091 and 122210020100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122210020171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17931730 + ... + 17938543.

It is an arithmetic number, because the mean of its divisors is an integer number (30561473448).

Almost surely, 2^122210020111 is an apocalyptic number.

122210020111 is a deficient number, since it is larger than the sum of its proper divisors (35873681).

122210020111 is an equidigital number, since it uses as much as digits as its factorization.

122210020111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35873680.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 122210020111 its reverse (111020012221), we get a palindrome (233230032332).

The spelling of 122210020111 in words is "one hundred twenty-two billion, two hundred ten million, twenty thousand, one hundred eleven".