11102101212121 has 2 divisors, whose sum is σ = 11102101212122. Its totient is φ = 11102101212120.

The previous prime is 11102101212047. The next prime is 11102101212193. The reversal of 11102101212121 is 12121210120111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8384759966025 + 2717341246096 = 2895645^2 + 1648436^2 .

It is a cyclic number.

It is not a de Polignac number, because 11102101212121 - 2¹⁵ = 11102101179353 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11102101212095 and 11102101212104.

It is not a weakly prime, because it can be changed into another prime (11102101212821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5551050606060 + 5551050606061.

It is an arithmetic number, because the mean of its divisors is an integer number (5551050606061).

Almost surely, 2^{11102101212121} is an apocalyptic number.

It is an amenable number.

11102101212121 is a deficient number, since it is larger than the sum of its proper divisors (1).

11102101212121 is an equidigital number, since it uses as much as digits as its factorization.

11102101212121 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 11102101212121 its reverse (12121210120111), we get a palindrome (23223311332232).

The spelling of 11102101212121 in words is "eleven trillion, one hundred two billion, one hundred one million, two hundred twelve thousand, one hundred twenty-one".