22200212202211 has 4 divisors (see below), whose sum is σ = 23368644423400. Its totient is φ = 21031779981024.

The previous prime is 22200212202187. The next prime is 22200212202257. The reversal of 22200212202211 is 11220221200222.

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 22200212202211 - 2²³ = 22200203813603 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19), and also a Moran number because the ratio is a prime number: 1168432221169 = 22200212202211 / (2 + 2 + 2 + 0 + 0 + 2 + 1 + 2 + 2 + 0 + 2 + 2 + 1 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22200212202281) 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, 584216110566 + ... + 584216110603.

It is an arithmetic number, because the mean of its divisors is an integer number (5842161105850).

Almost surely, 2^{22200212202211} is an apocalyptic number.

22200212202211 is a deficient number, since it is larger than the sum of its proper divisors (1168432221189).

22200212202211 is a wasteful number, since it uses less digits than its factorization.

22200212202211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1168432221188.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 22200212202211 its reverse (11220221200222), we get a palindrome (33420433402433).

The spelling of 22200212202211 in words is "twenty-two trillion, two hundred billion, two hundred twelve million, two hundred two thousand, two hundred eleven".