2201020010977 has 2 divisors, whose sum is σ = 2201020010978. Its totient is φ = 2201020010976.

The previous prime is 2201020010971. The next prime is 2201020011017. The reversal of 2201020010977 is 7790100201022.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2067947537296 + 133072473681 = 1438036^2 + 364791^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2201020010977 is a prime.

It is not a weakly prime, because it can be changed into another prime (2201020010971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1100510005488 + 1100510005489.

It is an arithmetic number, because the mean of its divisors is an integer number (1100510005489).

Almost surely, 2^{2201020010977} is an apocalyptic number.

It is an amenable number.

2201020010977 is a deficient number, since it is larger than the sum of its proper divisors (1).

2201020010977 is an equidigital number, since it uses as much as digits as its factorization.

2201020010977 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3528, while the sum is 31.

Adding to 2201020010977 its reverse (7790100201022), we get a palindrome (9991120211999).

The spelling of 2201020010977 in words is "two trillion, two hundred one billion, twenty million, ten thousand, nine hundred seventy-seven".