101612121133 has 2 divisors, whose sum is σ = 101612121134. Its totient is φ = 101612121132.

The previous prime is 101612121113. The next prime is 101612121167. The reversal of 101612121133 is 331121216101.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 54313700809 + 47298420324 = 233053^2 + 217482^2 .

It is a cyclic number.

It is not a de Polignac number, because 101612121133 - 2²⁵ = 101578566701 is a prime.

It is a super-2 number, since 2×101612121133² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101612121113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50806060566 + 50806060567.

It is an arithmetic number, because the mean of its divisors is an integer number (50806060567).

Almost surely, 2^101612121133 is an apocalyptic number.

It is an amenable number.

101612121133 is a deficient number, since it is larger than the sum of its proper divisors (1).

101612121133 is an equidigital number, since it uses as much as digits as its factorization.

101612121133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 22.

Adding to 101612121133 its reverse (331121216101), we get a palindrome (432733337234).

The spelling of 101612121133 in words is "one hundred one billion, six hundred twelve million, one hundred twenty-one thousand, one hundred thirty-three".