102202020202111 has 2 divisors, whose sum is σ = 102202020202112. Its totient is φ = 102202020202110.

The previous prime is 102202020202109. The next prime is 102202020202123. The reversal of 102202020202111 is 111202020202201.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 102202020202111 - 2¹ = 102202020202109 is a prime.

Together with 102202020202109, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102202020202171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51101010101055 + 51101010101056.

It is an arithmetic number, because the mean of its divisors is an integer number (51101010101056).

Almost surely, 2^{102202020202111} is an apocalyptic number.

102202020202111 is a deficient number, since it is larger than the sum of its proper divisors (1).

102202020202111 is an equidigital number, since it uses as much as digits as its factorization.

102202020202111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 102202020202111 its reverse (111202020202201), we get a palindrome (213404040404312).

The spelling of 102202020202111 in words is "one hundred two trillion, two hundred two billion, twenty million, two hundred two thousand, one hundred eleven".