2196641121 has 8 divisors (see below), whose sum is σ = 3023334144. Its totient is φ = 1417187760.

The previous prime is 2196641119. The next prime is 2196641137. The reversal of 2196641121 is 1211466912.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2196641121 - 2¹ = 2196641119 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2196641101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11809806 + ... + 11809991.

It is an arithmetic number, because the mean of its divisors is an integer number (377916768).

Almost surely, 2^2196641121 is an apocalyptic number.

It is an amenable number.

2196641121 is a deficient number, since it is larger than the sum of its proper divisors (826693023).

2196641121 is a wasteful number, since it uses less digits than its factorization.

2196641121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23619831.

The product of its digits is 5184, while the sum is 33.

The square root of 2196641121 is about 46868.3381506108. The cubic root of 2196641121 is about 1299.9292113328.

The spelling of 2196641121 in words is "two billion, one hundred ninety-six million, six hundred forty-one thousand, one hundred twenty-one".