102201111120111 has 4 divisors (see below), whose sum is σ = 136268148160152. Its totient is φ = 68134074080072.

The previous prime is 102201111120077. The next prime is 102201111120139. The reversal of 102201111120111 is 111021111102201.

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 102201111120111 - 2⁶ = 102201111120047 is a prime.

It is a super-2 number, since 2×102201111120111² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102201111020111) 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, 17033518520016 + ... + 17033518520021.

It is an arithmetic number, because the mean of its divisors is an integer number (34067037040038).

Almost surely, 2^{102201111120111} is an apocalyptic number.

102201111120111 is a deficient number, since it is larger than the sum of its proper divisors (34067037040041).

102201111120111 is an equidigital number, since it uses as much as digits as its factorization.

102201111120111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34067037040040.

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 102201111120111 its reverse (111021111102201), we get a palindrome (213222222222312).

The spelling of 102201111120111 in words is "one hundred two trillion, two hundred one billion, one hundred eleven million, one hundred twenty thousand, one hundred eleven".