222111022000 has 640 divisors, whose sum is σ = 658082880000. Its totient is φ = 72403968000.

The previous prime is 222111021949. The next prime is 222111022087. The reversal of 222111022000 is 220111222.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1490677926 + ... + 1490678074.

It is an arithmetic number, because the mean of its divisors is an integer number (1028254500).

Almost surely, 2^222111022000 is an apocalyptic number.

222111022000 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 222111022000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (329041440000).

222111022000 is an abundant number, since it is smaller than the sum of its proper divisors (435971858000).

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

222111022000 is a wasteful number, since it uses less digits than its factorization.

222111022000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287 (or 257 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 222111022000 its reverse (220111222), we get a palindrome (222331133222).

The spelling of 222111022000 in words is "two hundred twenty-two billion, one hundred eleven million, twenty-two thousand".