2121233195 has 32 divisors (see below), whose sum is σ = 2677752000. Its totient is φ = 1611601920.

The previous prime is 2121233189. The next prime is 2121233201. The reversal of 2121233195 is 5913321212.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2121233189) and next prime (2121233201).

It is a de Polignac number, because none of the positive numbers 2^k-2121233195 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1317551 + ... + 1319159.

It is an arithmetic number, because the mean of its divisors is an integer number (83679750).

Almost surely, 2^2121233195 is an apocalyptic number.

2121233195 is a deficient number, since it is larger than the sum of its proper divisors (556518805).

2121233195 is a wasteful number, since it uses less digits than its factorization.

2121233195 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1823.

The product of its digits is 3240, while the sum is 29.

The square root of 2121233195 is about 46056.8474279341. The cubic root of 2121233195 is about 1284.8806976908.

The spelling of 2121233195 in words is "two billion, one hundred twenty-one million, two hundred thirty-three thousand, one hundred ninety-five".