111201221022000 has 1280 divisors, whose sum is σ = 394813404610560. Its totient is φ = 26859631104000.

The previous prime is 111201221021951. The next prime is 111201221022029. The reversal of 111201221022000 is 220122102111.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 19083783087 + ... + 19083788913.

It is an arithmetic number, because the mean of its divisors is an integer number (308447972352).

Almost surely, 2^{111201221022000} is an apocalyptic number.

111201221022000 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 111201221022000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (197406702305280).

111201221022000 is an abundant number, since it is smaller than the sum of its proper divisors (283612183588560).

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

111201221022000 is a wasteful number, since it uses less digits than its factorization.

111201221022000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6027 (or 6011 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 111201221022000 its reverse (220122102111), we get a palindrome (111421343124111).

The spelling of 111201221022000 in words is "one hundred eleven trillion, two hundred one billion, two hundred twenty-one million, twenty-two thousand".