102221201100111 has 4 divisors (see below), whose sum is σ = 136294934800152. Its totient is φ = 68147467400072.

The previous prime is 102221201100107. The next prime is 102221201100127. The reversal of 102221201100111 is 111001102122201.

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 102221201100111 - 2² = 102221201100107 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102221201100911) 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, 17036866850016 + ... + 17036866850021.

It is an arithmetic number, because the mean of its divisors is an integer number (34073733700038).

Almost surely, 2^{102221201100111} is an apocalyptic number.

102221201100111 is a deficient number, since it is larger than the sum of its proper divisors (34073733700041).

102221201100111 is an equidigital number, since it uses as much as digits as its factorization.

102221201100111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34073733700040.

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

Adding to 102221201100111 its reverse (111001102122201), we get a palindrome (213222303222312).

The spelling of 102221201100111 in words is "one hundred two trillion, two hundred twenty-one billion, two hundred one million, one hundred thousand, one hundred eleven".