221122031223000 has 256 divisors, whose sum is σ = 693882687738240. Its totient is φ = 58625952000000.

The previous prime is 221122031222993. The next prime is 221122031223001. The reversal of 221122031223000 is 322130221122.

221122031223000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221122031223001) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 858594250 + ... + 858851750.

Almost surely, 2^{221122031223000} is an apocalyptic number.

221122031223000 is a gapful number since it is divisible by the number (20) 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 221122031223000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (346941343869120).

221122031223000 is an abundant number, since it is smaller than the sum of its proper divisors (472760656515240).

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

221122031223000 is a wasteful number, since it uses less digits than its factorization.

221122031223000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259175 (or 259161 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 221122031223000 its reverse (322130221122), we get a palindrome (221444161444122).

The spelling of 221122031223000 in words is "two hundred twenty-one trillion, one hundred twenty-two billion, thirty-one million, two hundred twenty-three thousand".