211222001210200 has 96 divisors (see below), whose sum is σ = 520422924350160. Its totient is φ = 79450962739200.

The previous prime is 211222001210197. The next prime is 211222001210201. The reversal of 211222001210200 is 2012100222112.

It is a happy number.

It is a super-2 number, since 2×211222001210200² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211222001210201) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22544697 + ... + 30507496.

Almost surely, 2^{211222001210200} is an apocalyptic number.

211222001210200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211222001210200 is an abundant number, since it is smaller than the sum of its proper divisors (309200923139960).

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

211222001210200 is a wasteful number, since it uses less digits than its factorization.

211222001210200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53053397 (or 53053388 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 211222001210200 its reverse (2012100222112), we get a palindrome (213234101432312).

The spelling of 211222001210200 in words is "two hundred eleven trillion, two hundred twenty-two billion, one million, two hundred ten thousand, two hundred".