102220351 has 2 divisors, whose sum is σ = 102220352. Its totient is φ = 102220350.

The previous prime is 102220343. The next prime is 102220379. The reversal of 102220351 is 153022201.

It is a weak prime.

It is an emirp because it is prime and its reverse (153022201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 102220351 - 2³ = 102220343 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102220451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51110175 + 51110176.

It is an arithmetic number, because the mean of its divisors is an integer number (51110176).

Almost surely, 2^102220351 is an apocalyptic number.

102220351 is a deficient number, since it is larger than the sum of its proper divisors (1).

102220351 is an equidigital number, since it uses as much as digits as its factorization.

102220351 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 102220351 is about 10110.4080530906. The cubic root of 102220351 is about 467.5690858467.

Adding to 102220351 its reverse (153022201), we get a palindrome (255242552).

The spelling of 102220351 in words is "one hundred two million, two hundred twenty thousand, three hundred fifty-one".