102002112221231 has 2 divisors, whose sum is σ = 102002112221232. Its totient is φ = 102002112221230.

The previous prime is 102002112221189. The next prime is 102002112221267. The reversal of 102002112221231 is 132122211200201.

It is a strong prime.

It is an emirp because it is prime and its reverse (132122211200201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 102002112221231 - 2²² = 102002108026927 is a prime.

It is a super-2 number, since 2×102002112221231² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102002112221431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51001056110615 + 51001056110616.

It is an arithmetic number, because the mean of its divisors is an integer number (51001056110616).

Almost surely, 2^{102002112221231} is an apocalyptic number.

102002112221231 is a deficient number, since it is larger than the sum of its proper divisors (1).

102002112221231 is an equidigital number, since it uses as much as digits as its factorization.

102002112221231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 102002112221231 its reverse (132122211200201), we get a palindrome (234124323421432).

The spelling of 102002112221231 in words is "one hundred two trillion, two billion, one hundred twelve million, two hundred twenty-one thousand, two hundred thirty-one".