102121122011011 has 2 divisors, whose sum is σ = 102121122011012. Its totient is φ = 102121122011010.

The previous prime is 102121122010969. The next prime is 102121122011071. The reversal of 102121122011011 is 110110221121201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 102121122011011 - 2¹³ = 102121122002819 is a prime.

It is not a weakly prime, because it can be changed into another prime (102121122011071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51060561005505 + 51060561005506.

It is an arithmetic number, because the mean of its divisors is an integer number (51060561005506).

Almost surely, 2^{102121122011011} is an apocalyptic number.

102121122011011 is a deficient number, since it is larger than the sum of its proper divisors (1).

102121122011011 is an equidigital number, since it uses as much as digits as its factorization.

102121122011011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16, while the sum is 16.

Adding to 102121122011011 its reverse (110110221121201), we get a palindrome (212231343132212).

The spelling of 102121122011011 in words is "one hundred two trillion, one hundred twenty-one billion, one hundred twenty-two million, eleven thousand, eleven".