211222200111 has 8 divisors (see below), whose sum is σ = 303293415600. Its totient is φ = 129982892352.

The previous prime is 211222200103. The next prime is 211222200121. The reversal of 211222200111 is 111002222112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 211222200111 - 2³ = 211222200103 is a prime.

It is a super-2 number, since 2×211222200111² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211222200121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2707976886 + ... + 2707976963.

It is an arithmetic number, because the mean of its divisors is an integer number (37911676950).

Almost surely, 2^211222200111 is an apocalyptic number.

211222200111 is a deficient number, since it is larger than the sum of its proper divisors (92071215489).

211222200111 is a wasteful number, since it uses less digits than its factorization.

211222200111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5415953865.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 211222200111 its reverse (111002222112), we get a palindrome (322224422223).

The spelling of 211222200111 in words is "two hundred eleven billion, two hundred twenty-two million, two hundred thousand, one hundred eleven".