210011221011200 has 216 divisors, whose sum is σ = 594232774668288. Its totient is φ = 71984026275840.

The previous prime is 210011221011113. The next prime is 210011221011227. The reversal of 210011221011200 is 2110122110012.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 162563009 + ... + 163849791.

Almost surely, 2^{210011221011200} is an apocalyptic number.

210011221011200 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 210011221011200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (297116387334144).

210011221011200 is an abundant number, since it is smaller than the sum of its proper divisors (384221553657088).

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

210011221011200 is a wasteful number, since it uses less digits than its factorization.

210011221011200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1290459 (or 1290440 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 210011221011200 its reverse (2110122110012), we get a palindrome (212121343121212).

The spelling of 210011221011200 in words is "two hundred ten trillion, eleven billion, two hundred twenty-one million, eleven thousand, two hundred".