102010101133261 has 2 divisors, whose sum is σ = 102010101133262. Its totient is φ = 102010101133260.

The previous prime is 102010101133183. The next prime is 102010101133331. The reversal of 102010101133261 is 162331101010201.

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., 76835848547236 + 25174252586025 = 8765606^2 + 5017395^2 .

It is a cyclic number.

It is not a de Polignac number, because 102010101133261 - 2⁹ = 102010101132749 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102010101136261) 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, 51005050566630 + 51005050566631.

It is an arithmetic number, because the mean of its divisors is an integer number (51005050566631).

Almost surely, 2^{102010101133261} is an apocalyptic number.

It is an amenable number.

102010101133261 is a deficient number, since it is larger than the sum of its proper divisors (1).

102010101133261 is an equidigital number, since it uses as much as digits as its factorization.

102010101133261 is an odious number, because the sum of its binary digits is odd.

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

Adding to 102010101133261 its reverse (162331101010201), we get a palindrome (264341202143462).

The spelling of 102010101133261 in words is "one hundred two trillion, ten billion, one hundred one million, one hundred thirty-three thousand, two hundred sixty-one".