211222001300 has 72 divisors (see below), whose sum is σ = 461737384416. Its totient is φ = 83866706560.

The previous prime is 211222001297. The next prime is 211222001327. The reversal of 211222001300 is 3100222112.

It is a happy number.

211222001300 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×211222001300² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

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, 8714999 + ... + 8739201.

It is an arithmetic number, because the mean of its divisors is an integer number (6413019228).

Almost surely, 2^211222001300 is an apocalyptic number.

211222001300 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 211222001300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (230868692208).

211222001300 is an abundant number, since it is smaller than the sum of its proper divisors (250515383116).

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

211222001300 is a wasteful number, since it uses less digits than its factorization.

211222001300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24857 (or 24850 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 211222001300 its reverse (3100222112), we get a palindrome (214322223412).

The spelling of 211222001300 in words is "two hundred eleven billion, two hundred twenty-two million, one thousand, three hundred".