2122101097 has 4 divisors (see below), whose sum is σ = 2122212996. Its totient is φ = 2121989200.

The previous prime is 2122101073. The next prime is 2122101103. The reversal of 2122101097 is 7901012212.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 1404450576 + 717650521 = 37476^2 + 26789^2 .

It is a cyclic number.

It is not a de Polignac number, because 2122101097 - 2¹⁵ = 2122068329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2122101017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19654 + ... + 68047.

It is an arithmetic number, because the mean of its divisors is an integer number (530553249).

Almost surely, 2^2122101097 is an apocalyptic number.

It is an amenable number.

2122101097 is a deficient number, since it is larger than the sum of its proper divisors (111899).

2122101097 is an equidigital number, since it uses as much as digits as its factorization.

2122101097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111898.

The product of its (nonzero) digits is 504, while the sum is 25.

The square root of 2122101097 is about 46066.2685378358. The cubic root of 2122101097 is about 1285.0559099960.

The spelling of 2122101097 in words is "two billion, one hundred twenty-two million, one hundred one thousand, ninety-seven".