102022111 has 2 divisors, whose sum is σ = 102022112. Its totient is φ = 102022110.

The previous prime is 102022069. The next prime is 102022121. The reversal of 102022111 is 111220201.

It is an a-pointer prime, because the next prime (102022121) can be obtained adding 102022111 to its sum of digits (10).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 102022111 - 2⁹ = 102021599 is a prime.

It is a super-2 number, since 2×102022111² = 20817022265792642, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102022121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51011055 + 51011056.

It is an arithmetic number, because the mean of its divisors is an integer number (51011056).

Almost surely, 2^102022111 is an apocalyptic number.

102022111 is a deficient number, since it is larger than the sum of its proper divisors (1).

102022111 is an equidigital number, since it uses as much as digits as its factorization.

102022111 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 10.

The square root of 102022111 is about 10100.5995366612. The cubic root of 102022111 is about 467.2666317886.

Adding to 102022111 its reverse (111220201), we get a palindrome (213242312).

The spelling of 102022111 in words is "one hundred two million, twenty-two thousand, one hundred eleven".