10101155031061 has 2 divisors, whose sum is σ = 10101155031062. Its totient is φ = 10101155031060.

The previous prime is 10101155031059. The next prime is 10101155031113. The reversal of 10101155031061 is 16013055110101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8779333444036 + 1321821587025 = 2962994^2 + 1149705^2 .

It is a cyclic number.

It is not a de Polignac number, because 10101155031061 - 2¹ = 10101155031059 is a prime.

Together with 10101155031059, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10101155091061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5050577515530 + 5050577515531.

It is an arithmetic number, because the mean of its divisors is an integer number (5050577515531).

Almost surely, 2^{10101155031061} is an apocalyptic number.

It is an amenable number.

10101155031061 is a deficient number, since it is larger than the sum of its proper divisors (1).

10101155031061 is an equidigital number, since it uses as much as digits as its factorization.

10101155031061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 450, while the sum is 25.

The spelling of 10101155031061 in words is "ten trillion, one hundred one billion, one hundred fifty-five million, thirty-one thousand, sixty-one".