2221100097 has 16 divisors (see below), whose sum is σ = 3066821568. Its totient is φ = 1428972480.

The previous prime is 2221100081. The next prime is 2221100129. The reversal of 2221100097 is 7900011222.

It is not a de Polignac number, because 2221100097 - 2⁴ = 2221100081 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2221150097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 104803 + ... + 124200.

It is an arithmetic number, because the mean of its divisors is an integer number (191676348).

Almost surely, 2^2221100097 is an apocalyptic number.

It is an amenable number.

2221100097 is a deficient number, since it is larger than the sum of its proper divisors (845721471).

2221100097 is a wasteful number, since it uses less digits than its factorization.

2221100097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229120.

The product of its (nonzero) digits is 504, while the sum is 24.

The square root of 2221100097 is about 47128.5486409246. The cubic root of 2221100097 is about 1304.7361948222.

The spelling of 2221100097 in words is "two billion, two hundred twenty-one million, one hundred thousand, ninety-seven".