122211111102 has 16 divisors (see below), whose sum is σ = 244443437712. Its totient is φ = 40733501120.

The previous prime is 122211111019. The next prime is 122211111103. The reversal of 122211111102 is 201111112221.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122211111103) 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 7 ways as a sum of consecutive naturals, for example, 808599 + ... + 947762.

It is an arithmetic number, because the mean of its divisors is an integer number (15277714857).

Almost surely, 2^122211111102 is an apocalyptic number.

122211111102 is an abundant number, since it is smaller than the sum of its proper divisors (122232326610).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122211111102 is a wasteful number, since it uses less digits than its factorization.

122211111102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1767963.

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

Adding to 122211111102 its reverse (201111112221), we get a palindrome (323322223323).

The spelling of 122211111102 in words is "one hundred twenty-two billion, two hundred eleven million, one hundred eleven thousand, one hundred two".