101012110111501 has 2 divisors, whose sum is σ = 101012110111502. Its totient is φ = 101012110111500.

The previous prime is 101012110111481. The next prime is 101012110111589. The reversal of 101012110111501 is 105111011210101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 82255848389001 + 18756261722500 = 9069501^2 + 4330850^2 .

It is a cyclic number.

It is not a de Polignac number, because 101012110111501 - 2³¹ = 101009962627853 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101012110181501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50506055055750 + 50506055055751.

It is an arithmetic number, because the mean of its divisors is an integer number (50506055055751).

Almost surely, 2^{101012110111501} is an apocalyptic number.

It is an amenable number.

101012110111501 is a deficient number, since it is larger than the sum of its proper divisors (1).

101012110111501 is an equidigital number, since it uses as much as digits as its factorization.

101012110111501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10, while the sum is 16.

Adding to 101012110111501 its reverse (105111011210101), we get a palindrome (206123121321602).

The spelling of 101012110111501 in words is "one hundred one trillion, twelve billion, one hundred ten million, one hundred eleven thousand, five hundred one".