220102111100111 has 4 divisors (see below), whose sum is σ = 221504035374792. Its totient is φ = 218700186825432.

The previous prime is 220102111100107. The next prime is 220102111100149. The reversal of 220102111100111 is 111001111201022.

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 220102111100111 - 2² = 220102111100107 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220102111100411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 700962137105 + ... + 700962137418.

It is an arithmetic number, because the mean of its divisors is an integer number (55376008843698).

Almost surely, 2^{220102111100111} is an apocalyptic number.

220102111100111 is a deficient number, since it is larger than the sum of its proper divisors (1401924274681).

220102111100111 is a wasteful number, since it uses less digits than its factorization.

220102111100111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1401924274680.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 220102111100111 its reverse (111001111201022), we get a palindrome (331103222301133).

The spelling of 220102111100111 in words is "two hundred twenty trillion, one hundred two billion, one hundred eleven million, one hundred thousand, one hundred eleven".