122220201111102 has 40 divisors (see below), whose sum is σ = 274306213572600. Its totient is φ = 40674251063376.

The previous prime is 122220201111089. The next prime is 122220201111103. The reversal of 122220201111102 is 201111102022221.

122220201111102 is a `hidden beast` number, since 122 + 220 + 201 + 11 + 110 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122220201111103) 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 19 ways as a sum of consecutive naturals, for example, 609306577 + ... + 609507132.

It is an arithmetic number, because the mean of its divisors is an integer number (6857655339315).

Almost surely, 2^{122220201111102} is an apocalyptic number.

122220201111102 is an abundant number, since it is smaller than the sum of its proper divisors (152086012461498).

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

122220201111102 is a wasteful number, since it uses less digits than its factorization.

122220201111102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1218814342 (or 1218814333 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 122220201111102 its reverse (201111102022221), we get a palindrome (323331303133323).

The spelling of 122220201111102 in words is "one hundred twenty-two trillion, two hundred twenty billion, two hundred one million, one hundred eleven thousand, one hundred two".