22102000020097 has 4 divisors (see below), whose sum is σ = 23402117668356. Its totient is φ = 20801882371840.

The previous prime is 22102000020077. The next prime is 22102000020103. The reversal of 22102000020097 is 79002000020122.

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 19305399351681 + 2796600668416 = 4393791^2 + 1672304^2 .

It is not a de Polignac number, because 22102000020097 - 2⁷ = 22102000019969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22102000020017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 650058824104 + ... + 650058824137.

It is an arithmetic number, because the mean of its divisors is an integer number (5850529417089).

Almost surely, 2^{22102000020097} is an apocalyptic number.

It is an amenable number.

22102000020097 is a deficient number, since it is larger than the sum of its proper divisors (1300117648259).

22102000020097 is a wasteful number, since it uses less digits than its factorization.

22102000020097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1300117648258.

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

Adding to 22102000020097 its sum of digits (25), we get a palindrome (22102000020122).

The spelling of 22102000020097 in words is "twenty-two trillion, one hundred two billion, twenty thousand, ninety-seven".