222211211222000 has 720 divisors, whose sum is σ = 738336504001824. Its totient is φ = 63932843520000.

The previous prime is 222211211221949. The next prime is 222211211222023. The reversal of 222211211222000 is 222112112222.

222211211222000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 181572140 + ... + 182791860.

Almost surely, 2^{222211211222000} is an apocalyptic number.

222211211222000 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 222211211222000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (369168252000912).

222211211222000 is an abundant number, since it is smaller than the sum of its proper divisors (516125292779824).

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

222211211222000 is a wasteful number, since it uses less digits than its factorization.

222211211222000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1219795 (or 1219759 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 222211211222000 its reverse (222112112222), we get a palindrome (222433323334222).

The spelling of 222211211222000 in words is "two hundred twenty-two trillion, two hundred eleven billion, two hundred eleven million, two hundred twenty-two thousand".