126211061101 has 2 divisors, whose sum is σ = 126211061102. Its totient is φ = 126211061100.

The previous prime is 126211061069. The next prime is 126211061107. The reversal of 126211061101 is 101160112621.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 92871953001 + 33339108100 = 304749^2 + 182590^2 .

It is a cyclic number.

It is not a de Polignac number, because 126211061101 - 2⁵ = 126211061069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126211061107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63105530550 + 63105530551.

It is an arithmetic number, because the mean of its divisors is an integer number (63105530551).

Almost surely, 2^126211061101 is an apocalyptic number.

It is an amenable number.

126211061101 is a deficient number, since it is larger than the sum of its proper divisors (1).

126211061101 is an equidigital number, since it uses as much as digits as its factorization.

126211061101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 22.

Adding to 126211061101 its reverse (101160112621), we get a palindrome (227371173722).

The spelling of 126211061101 in words is "one hundred twenty-six billion, two hundred eleven million, sixty-one thousand, one hundred one".