2123221195 has 8 divisors (see below), whose sum is σ = 2658642336. Its totient is φ = 1624725696.

The previous prime is 2123221183. The next prime is 2123221213. The reversal of 2123221195 is 5911223212.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2123221195 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9231282 + ... + 9231511.

It is an arithmetic number, because the mean of its divisors is an integer number (332330292).

Almost surely, 2^2123221195 is an apocalyptic number.

2123221195 is a deficient number, since it is larger than the sum of its proper divisors (535421141).

2123221195 is a wasteful number, since it uses less digits than its factorization.

2123221195 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18462821.

The product of its digits is 2160, while the sum is 28.

The square root of 2123221195 is about 46078.4243979761. The cubic root of 2123221195 is about 1285.2819651044.

The spelling of 2123221195 in words is "two billion, one hundred twenty-three million, two hundred twenty-one thousand, one hundred ninety-five".