122211013231320 has 256 divisors, whose sum is σ = 396001160755200. Its totient is φ = 29994036172800.

The previous prime is 122211013231217. The next prime is 122211013231327. The reversal of 122211013231320 is 23132310112221.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122211013231327) 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 63 ways as a sum of consecutive naturals, for example, 720571249 + ... + 720740831.

It is an arithmetic number, because the mean of its divisors is an integer number (1546879534200).

Almost surely, 2^{122211013231320} is an apocalyptic number.

122211013231320 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 122211013231320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (198000580377600).

122211013231320 is an abundant number, since it is smaller than the sum of its proper divisors (273790147523880).

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

122211013231320 is a wasteful number, since it uses less digits than its factorization.

122211013231320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170970 (or 170966 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 122211013231320 its reverse (23132310112221), we get a palindrome (145343323343541).

The spelling of 122211013231320 in words is "one hundred twenty-two trillion, two hundred eleven billion, thirteen million, two hundred thirty-one thousand, three hundred twenty".