10212209758111 has 2 divisors, whose sum is σ = 10212209758112. Its totient is φ = 10212209758110.

The previous prime is 10212209758057. The next prime is 10212209758133. The reversal of 10212209758111 is 11185790221201.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10212209758111 - 2¹⁵ = 10212209725343 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10212209738111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5106104879055 + 5106104879056.

It is an arithmetic number, because the mean of its divisors is an integer number (5106104879056).

Almost surely, 2^{10212209758111} is an apocalyptic number.

10212209758111 is a deficient number, since it is larger than the sum of its proper divisors (1).

10212209758111 is an equidigital number, since it uses as much as digits as its factorization.

10212209758111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20160, while the sum is 40.

Adding to 10212209758111 its reverse (11185790221201), we get a palindrome (21397999979312).

The spelling of 10212209758111 in words is "ten trillion, two hundred twelve billion, two hundred nine million, seven hundred fifty-eight thousand, one hundred eleven".