200211120021222 has 72 divisors (see below), whose sum is σ = 457857376881840. Its totient is φ = 63219884387040.

The previous prime is 200211120021167. The next prime is 200211120021223. The reversal of 200211120021222 is 222120021112002.

It is a happy number.

200211120021222 is a `hidden beast` number, since 20 + 0 + 211 + 1 + 200 + 212 + 22 = 666.

200211120021222 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 (18).

It is a junction number, because it is equal to n+sod(n) for n = 200211120021195 and 200211120021204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200211120021223) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 87180804 + ... + 89447832.

It is an arithmetic number, because the mean of its divisors is an integer number (6359130234470).

Almost surely, 2^{200211120021222} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 200211120021222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (228928688440920).

200211120021222 is an abundant number, since it is smaller than the sum of its proper divisors (257646256860618).

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

200211120021222 is a wasteful number, since it uses less digits than its factorization.

200211120021222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2280666 (or 2280644 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 200211120021222 its reverse (222120021112002), we get a palindrome (422331141133224).

The spelling of 200211120021222 in words is "two hundred trillion, two hundred eleven billion, one hundred twenty million, twenty-one thousand, two hundred twenty-two".