102110121021011 has 2 divisors, whose sum is σ = 102110121021012. Its totient is φ = 102110121021010.

The previous prime is 102110121020987. The next prime is 102110121021043. The reversal of 102110121021011 is 110120121011201.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102110121021011 is a prime.

It is not a weakly prime, because it can be changed into another prime (102110121024011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51055060510505 + 51055060510506.

It is an arithmetic number, because the mean of its divisors is an integer number (51055060510506).

Almost surely, 2^{102110121021011} is an apocalyptic number.

102110121021011 is a deficient number, since it is larger than the sum of its proper divisors (1).

102110121021011 is an equidigital number, since it uses as much as digits as its factorization.

102110121021011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 102110121021011 its reverse (110120121011201), we get a palindrome (212230242032212).

The spelling of 102110121021011 in words is "one hundred two trillion, one hundred ten billion, one hundred twenty-one million, twenty-one thousand, eleven".