10000220220097 has 4 divisors (see below), whose sum is σ = 10588468468356. Its totient is φ = 9411971971840.

The previous prime is 10000220220079. The next prime is 10000220220157. The reversal of 10000220220097 is 79002202200001.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7318777944976 + 2681442275121 = 2705324^2 + 1637511^2 .

It is a cyclic number.

It is not a de Polignac number, because 10000220220097 - 2¹⁵ = 10000220187329 is a prime.

It is a super-2 number, since 2×10000220220097² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10000220220077) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 294124124104 + ... + 294124124137.

It is an arithmetic number, because the mean of its divisors is an integer number (2647117117089).

Almost surely, 2^{10000220220097} is an apocalyptic number.

10000220220097 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

10000220220097 is a deficient number, since it is larger than the sum of its proper divisors (588248248259).

10000220220097 is an equidigital number, since it uses as much as digits as its factorization.

10000220220097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 588248248258.

The product of its (nonzero) digits is 1008, while the sum is 25.

Adding to 10000220220097 its reverse (79002202200001), we get a palindrome (89002422420098).

The spelling of 10000220220097 in words is "ten trillion, two hundred twenty million, two hundred twenty thousand, ninety-seven".