102122011 has 2 divisors, whose sum is σ = 102122012. Its totient is φ = 102122010.

The previous prime is 102121951. The next prime is 102122039. The reversal of 102122011 is 110221201.

It is a strong prime.

It is an emirp because it is prime and its reverse (110221201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 102122011 - 2⁷ = 102121883 is a prime.

It is not a weakly prime, because it can be changed into another prime (102122411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51061005 + 51061006.

It is an arithmetic number, because the mean of its divisors is an integer number (51061006).

Almost surely, 2^102122011 is an apocalyptic number.

102122011 is a deficient number, since it is larger than the sum of its proper divisors (1).

102122011 is an equidigital number, since it uses as much as digits as its factorization.

102122011 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 102122011 is about 10105.5435776607. The cubic root of 102122011 is about 467.4190977852.

Adding to 102122011 its reverse (110221201), we get a palindrome (212343212).

It can be divided in two parts, 1021 and 22011, that added together give a palindrome (23032).

The spelling of 102122011 in words is "one hundred two million, one hundred twenty-two thousand, eleven".