222102100000111 has 4 divisors (see below), whose sum is σ = 222239284745400. Its totient is φ = 221964915254824.

The previous prime is 222102100000061. The next prime is 222102100000117. The reversal of 222102100000111 is 111000001201222.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222102100000111 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 222102100000091 and 222102100000100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222102100000117) 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, 68592370216 + ... + 68592373453.

It is an arithmetic number, because the mean of its divisors is an integer number (55559821186350).

Almost surely, 2^{222102100000111} is an apocalyptic number.

222102100000111 is a deficient number, since it is larger than the sum of its proper divisors (137184745289).

222102100000111 is a wasteful number, since it uses less digits than its factorization.

222102100000111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137184745288.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 222102100000111 its reverse (111000001201222), we get a palindrome (333102101201333).

The spelling of 222102100000111 in words is "two hundred twenty-two trillion, one hundred two billion, one hundred million, one hundred eleven", and thus it is an aban number.