102002210985827 has 2 divisors, whose sum is σ = 102002210985828. Its totient is φ = 102002210985826.

The previous prime is 102002210985821. The next prime is 102002210985877. The reversal of 102002210985827 is 728589012200201.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 102002210985827 - 2²² = 102002206791523 is a prime.

It is not a weakly prime, because it can be changed into another prime (102002210985821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51001105492913 + 51001105492914.

It is an arithmetic number, because the mean of its divisors is an integer number (51001105492914).

Almost surely, 2^{102002210985827} is an apocalyptic number.

102002210985827 is a deficient number, since it is larger than the sum of its proper divisors (1).

102002210985827 is an equidigital number, since it uses as much as digits as its factorization.

102002210985827 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 322560, while the sum is 47.

The spelling of 102002210985827 in words is "one hundred two trillion, two billion, two hundred ten million, nine hundred eighty-five thousand, eight hundred twenty-seven".