102222123212291 has 2 divisors, whose sum is σ = 102222123212292. Its totient is φ = 102222123212290.

The previous prime is 102222123212281. The next prime is 102222123212327. The reversal of 102222123212291 is 192212321222201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 102222123212291 - 2⁶ = 102222123212227 is a prime.

It is not a weakly prime, because it can be changed into another prime (102222123212201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51111061606145 + 51111061606146.

It is an arithmetic number, because the mean of its divisors is an integer number (51111061606146).

Almost surely, 2^{102222123212291} is an apocalyptic number.

102222123212291 is a deficient number, since it is larger than the sum of its proper divisors (1).

102222123212291 is an equidigital number, since it uses as much as digits as its factorization.

102222123212291 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 32.

Adding to 102222123212291 its reverse (192212321222201), we get a palindrome (294434444434492).

The spelling of 102222123212291 in words is "one hundred two trillion, two hundred twenty-two billion, one hundred twenty-three million, two hundred twelve thousand, two hundred ninety-one".