122221111102110 has 96 divisors (see below), whose sum is σ = 327120626881152. Its totient is φ = 31637846661120.

The previous prime is 122221111102109. The next prime is 122221111102193. The reversal of 122221111102110 is 11201111122221.

It is a happy number.

122221111102110 is a `hidden beast` number, since 1 + 222 + 211 + 11 + 10 + 211 + 0 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 41143699 + ... + 44014158.

It is an arithmetic number, because the mean of its divisors is an integer number (3407506530012).

Almost surely, 2^{122221111102110} is an apocalyptic number.

122221111102110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122221111102110 is an abundant number, since it is smaller than the sum of its proper divisors (204899515779042).

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

122221111102110 is a wasteful number, since it uses less digits than its factorization.

122221111102110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85158338 (or 85158335 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 18.

Adding to 122221111102110 its reverse (11201111122221), we get a palindrome (133422222224331).

It can be divided in two parts, 122221111 and 102110, that added together give a palindrome (122323221).

The spelling of 122221111102110 in words is "one hundred twenty-two trillion, two hundred twenty-one billion, one hundred eleven million, one hundred two thousand, one hundred ten".