211222012200223 has 4 divisors (see below), whose sum is σ = 214196970118608. Its totient is φ = 208247054281840.

The previous prime is 211222012200217. The next prime is 211222012200253. The reversal of 211222012200223 is 322002210222112.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 211222012200223 - 2¹³ = 211222012192031 is a prime.

It is a super-2 number, since 2×211222012200223² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 211222012200194 and 211222012200203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211222012200253) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1487478959086 + ... + 1487478959227.

It is an arithmetic number, because the mean of its divisors is an integer number (53549242529652).

Almost surely, 2^{211222012200223} is an apocalyptic number.

211222012200223 is a deficient number, since it is larger than the sum of its proper divisors (2974957918385).

211222012200223 is an equidigital number, since it uses as much as digits as its factorization.

211222012200223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2974957918384.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 211222012200223 its reverse (322002210222112), we get a palindrome (533224222422335).

The spelling of 211222012200223 in words is "two hundred eleven trillion, two hundred twenty-two billion, twelve million, two hundred thousand, two hundred twenty-three".