10211221200222 has 40 divisors (see below), whose sum is σ = 26149370695536. Its totient is φ = 2917491771168.

The previous prime is 10211221200221. The next prime is 10211221200241. The reversal of 10211221200222 is 22200212211201.

It is a happy number.

10211221200222 is a `hidden beast` number, since 1 + 0 + 21 + 1 + 221 + 200 + 222 = 666.

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 = 10211221200195 and 10211221200204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10211221200221) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 4502300983 + ... + 4502303250.

Almost surely, 2^{10211221200222} is an apocalyptic number.

10211221200222 is an abundant number, since it is smaller than the sum of its proper divisors (15938149495314).

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

10211221200222 is an equidigital number, since it uses as much as digits as its factorization.

10211221200222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9004604254 (or 9004604245 counting only the distinct ones).

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

Adding to 10211221200222 its reverse (22200212211201), we get a palindrome (32411433411423).

The spelling of 10211221200222 in words is "ten trillion, two hundred eleven billion, two hundred twenty-one million, two hundred thousand, two hundred twenty-two".