102201111020111 has 2 divisors, whose sum is σ = 102201111020112. Its totient is φ = 102201111020110.

The previous prime is 102201111020083. The next prime is 102201111020123. The reversal of 102201111020111 is 111020111102201.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102201111020111 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102201111020131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51100555510055 + 51100555510056.

It is an arithmetic number, because the mean of its divisors is an integer number (51100555510056).

Almost surely, 2^{102201111020111} is an apocalyptic number.

102201111020111 is a deficient number, since it is larger than the sum of its proper divisors (1).

102201111020111 is an equidigital number, since it uses as much as digits as its factorization.

102201111020111 is an odious number, because the sum of its binary digits is odd.

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

Adding to 102201111020111 its reverse (111020111102201), we get a palindrome (213221222122312).

It can be divided in two parts, 102201 and 111020111, that multiplied together give a palindrome (11346366364311).

The spelling of 102201111020111 in words is "one hundred two trillion, two hundred one billion, one hundred eleven million, twenty thousand, one hundred eleven".