111321202122320 has 40 divisors (see below), whose sum is σ = 258829570990080. Its totient is φ = 44527143032960.

The previous prime is 111321202122283. The next prime is 111321202122329. The reversal of 111321202122320 is 23221202123111.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111321202122329) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18221840 + ... + 23551599.

It is an arithmetic number, because the mean of its divisors is an integer number (6470739274752).

Almost surely, 2^{111321202122320} is an apocalyptic number.

111321202122320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111321202122320 is an abundant number, since it is smaller than the sum of its proper divisors (147508368867760).

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

111321202122320 is a wasteful number, since it uses less digits than its factorization.

111321202122320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41806763 (or 41806757 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 111321202122320 its reverse (23221202123111), we get a palindrome (134542404245431).

The spelling of 111321202122320 in words is "one hundred eleven trillion, three hundred twenty-one billion, two hundred two million, one hundred twenty-two thousand, three hundred twenty".