102212311 has 2 divisors, whose sum is σ = 102212312. Its totient is φ = 102212310.

The previous prime is 102212293. The next prime is 102212323. The reversal of 102212311 is 113212201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 102212311 - 2⁹ = 102211799 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 102212291 and 102212300.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102212371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51106155 + 51106156.

It is an arithmetic number, because the mean of its divisors is an integer number (51106156).

Almost surely, 2^102212311 is an apocalyptic number.

102212311 is a deficient number, since it is larger than the sum of its proper divisors (1).

102212311 is an equidigital number, since it uses as much as digits as its factorization.

102212311 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 102212311 is about 10110.0104352073. The cubic root of 102212311 is about 467.5568268592.

Adding to 102212311 its reverse (113212201), we get a palindrome (215424512).

The spelling of 102212311 in words is "one hundred two million, two hundred twelve thousand, three hundred eleven".