2010010202261 has 2 divisors, whose sum is σ = 2010010202262. Its totient is φ = 2010010202260.

The previous prime is 2010010202237. The next prime is 2010010202327. The reversal of 2010010202261 is 1622020100102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1704836821636 + 305173380625 = 1305694^2 + 552425^2 .

It is a cyclic number.

It is not a de Polignac number, because 2010010202261 - 2¹⁰ = 2010010201237 is a prime.

It is a super-2 number, since 2×2010010202261² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2010010202231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1005005101130 + 1005005101131.

It is an arithmetic number, because the mean of its divisors is an integer number (1005005101131).

Almost surely, 2^{2010010202261} is an apocalyptic number.

It is an amenable number.

2010010202261 is a deficient number, since it is larger than the sum of its proper divisors (1).

2010010202261 is an equidigital number, since it uses as much as digits as its factorization.

2010010202261 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 2010010202261 its reverse (1622020100102), we get a palindrome (3632030302363).

The spelling of 2010010202261 in words is "two trillion, ten billion, ten million, two hundred two thousand, two hundred sixty-one".