1192022201921 has 4 divisors (see below), whose sum is σ = 1192153332144. Its totient is φ = 1191891071700.

The previous prime is 1192022201861. The next prime is 1192022201939. The reversal of 1192022201921 is 1291022202911.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1192022201921 - 2¹⁸ = 1192021939777 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1192022201971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65551475 + ... + 65569656.

It is an arithmetic number, because the mean of its divisors is an integer number (298038333036).

Almost surely, 2^{1192022201921} is an apocalyptic number.

It is an amenable number.

1192022201921 is a deficient number, since it is larger than the sum of its proper divisors (131130223).

1192022201921 is an equidigital number, since it uses as much as digits as its factorization.

1192022201921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131130222.

The product of its (nonzero) digits is 2592, while the sum is 32.

The spelling of 1192022201921 in words is "one trillion, one hundred ninety-two billion, twenty-two million, two hundred one thousand, nine hundred twenty-one".