102002111011 has 2 divisors, whose sum is σ = 102002111012. Its totient is φ = 102002111010.

The previous prime is 102002110949. The next prime is 102002111023. The reversal of 102002111011 is 110111200201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 102002111011 - 2²¹ = 102000013859 is a prime.

It is not a weakly prime, because it can be changed into another prime (102002111311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51001055505 + 51001055506.

It is an arithmetic number, because the mean of its divisors is an integer number (51001055506).

Almost surely, 2^102002111011 is an apocalyptic number.

102002111011 is a deficient number, since it is larger than the sum of its proper divisors (1).

102002111011 is an equidigital number, since it uses as much as digits as its factorization.

102002111011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 102002111011 its reverse (110111200201), we get a palindrome (212113311212).

The spelling of 102002111011 in words is "one hundred two billion, two million, one hundred eleven thousand, eleven".