2020111202261 has 2 divisors, whose sum is σ = 2020111202262. Its totient is φ = 2020111202260.

The previous prime is 2020111202243. The next prime is 2020111202279. The reversal of 2020111202261 is 1622021110202.

It is a balanced prime because it is at equal distance from previous prime (2020111202243) and next prime (2020111202279).

It can be written as a sum of positive squares in only one way, i.e., 1834957415236 + 185153787025 = 1354606^2 + 430295^2 .

It is a cyclic number.

It is not a de Polignac number, because 2020111202261 - 2²² = 2020107007957 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2020111202201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1010055601130 + 1010055601131.

It is an arithmetic number, because the mean of its divisors is an integer number (1010055601131).

Almost surely, 2^{2020111202261} is an apocalyptic number.

It is an amenable number.

2020111202261 is a deficient number, since it is larger than the sum of its proper divisors (1).

2020111202261 is an equidigital number, since it uses as much as digits as its factorization.

2020111202261 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 2020111202261 its reverse (1622021110202), we get a palindrome (3642132312463).

The spelling of 2020111202261 in words is "two trillion, twenty billion, one hundred eleven million, two hundred two thousand, two hundred sixty-one".