102000221011511 has 2 divisors, whose sum is σ = 102000221011512. Its totient is φ = 102000221011510.

The previous prime is 102000221011477. The next prime is 102000221011547. The reversal of 102000221011511 is 115110122000201.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102000221011511 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 102000221011511.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102000221010511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51000110505755 + 51000110505756.

It is an arithmetic number, because the mean of its divisors is an integer number (51000110505756).

Almost surely, 2^{102000221011511} is an apocalyptic number.

102000221011511 is a deficient number, since it is larger than the sum of its proper divisors (1).

102000221011511 is an equidigital number, since it uses as much as digits as its factorization.

102000221011511 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40, while the sum is 17.

Adding to 102000221011511 its reverse (115110122000201), we get a palindrome (217110343011712).

The spelling of 102000221011511 in words is "one hundred two trillion, two hundred twenty-one million, eleven thousand, five hundred eleven".