110221012100977 has 2 divisors, whose sum is σ = 110221012100978. Its totient is φ = 110221012100976.

The previous prime is 110221012100971. The next prime is 110221012101047. The reversal of 110221012100977 is 779001210122011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 101476429749601 + 8744582351376 = 10073551^2 + 2957124^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-110221012100977 is a prime.

It is not a weakly prime, because it can be changed into another prime (110221012100971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55110506050488 + 55110506050489.

It is an arithmetic number, because the mean of its divisors is an integer number (55110506050489).

Almost surely, 2^{110221012100977} is an apocalyptic number.

It is an amenable number.

110221012100977 is a deficient number, since it is larger than the sum of its proper divisors (1).

110221012100977 is an equidigital number, since it uses as much as digits as its factorization.

110221012100977 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3528, while the sum is 34.

Adding to 110221012100977 its reverse (779001210122011), we get a palindrome (889222222222988).

The spelling of 110221012100977 in words is "one hundred ten trillion, two hundred twenty-one billion, twelve million, one hundred thousand, nine hundred seventy-seven".