102011021011 has 2 divisors, whose sum is σ = 102011021012. Its totient is φ = 102011021010.

The previous prime is 102011020997. The next prime is 102011021017. The reversal of 102011021011 is 110120110201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 102011021011 - 2¹³ = 102011012819 is a prime.

It is not a weakly prime, because it can be changed into another prime (102011021017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51005510505 + 51005510506.

It is an arithmetic number, because the mean of its divisors is an integer number (51005510506).

Almost surely, 2^102011021011 is an apocalyptic number.

102011021011 is a deficient number, since it is larger than the sum of its proper divisors (1).

102011021011 is an equidigital number, since it uses as much as digits as its factorization.

102011021011 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 102011021011 its reverse (110120110201), we get a palindrome (212131131212).

The spelling of 102011021011 in words is "one hundred two billion, eleven million, twenty-one thousand, eleven".