222100201110111 has 32 divisors (see below), whose sum is σ = 299630774277120. Its totient is φ = 146324372465664.

The previous prime is 222100201110101. The next prime is 222100201110133. The reversal of 222100201110111 is 111011102001222.

It is a happy number.

It is not a de Polignac number, because 222100201110111 - 2⁹ = 222100201109599 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222100201110101) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 517370025 + ... + 517799133.

It is an arithmetic number, because the mean of its divisors is an integer number (9363461696160).

Almost surely, 2^{222100201110111} is an apocalyptic number.

222100201110111 is a deficient number, since it is larger than the sum of its proper divisors (77530573167009).

222100201110111 is a wasteful number, since it uses less digits than its factorization.

222100201110111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 432695.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 222100201110111 its reverse (111011102001222), we get a palindrome (333111303111333).

It can be divided in two parts, 222100 and 201110111, that added together give a triangular number (201332211 = T₂₀₀₆₆).

The spelling of 222100201110111 in words is "two hundred twenty-two trillion, one hundred billion, two hundred one million, one hundred ten thousand, one hundred eleven".