122220111110000 has 200 divisors, whose sum is σ = 309141678621600. Its totient is φ = 46734889600000.

The previous prime is 122220111109951. The next prime is 122220111110003. The reversal of 122220111110000 is 11111022221.

It is a tau number, because it is divible by the number of its divisors (200).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122220111110003) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 27203621 + ... + 31376379.

It is an arithmetic number, because the mean of its divisors is an integer number (1545708393108).

Almost surely, 2^{122220111110000} is an apocalyptic number.

122220111110000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 122220111110000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (154570839310800).

122220111110000 is an abundant number, since it is smaller than the sum of its proper divisors (186921567511600).

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

122220111110000 is a wasteful number, since it uses less digits than its factorization.

122220111110000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4172917 (or 4172896 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 122220111110000 its reverse (11111022221), we get a palindrome (122231222132221).

The spelling of 122220111110000 in words is "one hundred twenty-two trillion, two hundred twenty billion, one hundred eleven million, one hundred ten thousand".