10221013177 has 2 divisors, whose sum is σ = 10221013178. Its totient is φ = 10221013176.

The previous prime is 10221013151. The next prime is 10221013261. The reversal of 10221013177 is 77131012201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5512171536 + 4708841641 = 74244^2 + 68621^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10221013177 is a prime.

It is a super-2 number, since 2×10221013177² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10221013147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5110506588 + 5110506589.

It is an arithmetic number, because the mean of its divisors is an integer number (5110506589).

Almost surely, 2^10221013177 is an apocalyptic number.

It is an amenable number.

10221013177 is a deficient number, since it is larger than the sum of its proper divisors (1).

10221013177 is an equidigital number, since it uses as much as digits as its factorization.

10221013177 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 588, while the sum is 25.

Adding to 10221013177 its reverse (77131012201), we get a palindrome (87352025378).

The spelling of 10221013177 in words is "ten billion, two hundred twenty-one million, thirteen thousand, one hundred seventy-seven".