222101100100111 has 4 divisors (see below), whose sum is σ = 223463683536472. Its totient is φ = 220738516663752.

The previous prime is 222101100100093. The next prime is 222101100100151. The reversal of 222101100100111 is 111001001101222.

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 222101100100111 - 2¹³ = 222101100091919 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 222101100100091 and 222101100100100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222101100100151) 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, 681291717936 + ... + 681291718261.

It is an arithmetic number, because the mean of its divisors is an integer number (55865920884118).

Almost surely, 2^{222101100100111} is an apocalyptic number.

222101100100111 is a deficient number, since it is larger than the sum of its proper divisors (1362583436361).

222101100100111 is a wasteful number, since it uses less digits than its factorization.

222101100100111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1362583436360.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 222101100100111 its reverse (111001001101222), we get a palindrome (333102101201333).

The spelling of 222101100100111 in words is "two hundred twenty-two trillion, one hundred one billion, one hundred million, one hundred thousand, one hundred eleven".