101010999880061 has 2 divisors, whose sum is σ = 101010999880062. Its totient is φ = 101010999880060.

The previous prime is 101010999880051. The next prime is 101010999880067. The reversal of 101010999880061 is 160088999010101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 55839078228025 + 45171921652036 = 7472555^2 + 6721006^2 .

It is a cyclic number.

It is not a de Polignac number, because 101010999880061 - 2⁶ = 101010999879997 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 101010999879985 and 101010999880012.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101010999880067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50505499940030 + 50505499940031.

It is an arithmetic number, because the mean of its divisors is an integer number (50505499940031).

Almost surely, 2^{101010999880061} is an apocalyptic number.

It is an amenable number.

101010999880061 is a deficient number, since it is larger than the sum of its proper divisors (1).

101010999880061 is an equidigital number, since it uses as much as digits as its factorization.

101010999880061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 279936, while the sum is 53.

The spelling of 101010999880061 in words is "one hundred one trillion, ten billion, nine hundred ninety-nine million, eight hundred eighty thousand, sixty-one".