1223332211091 has 8 divisors (see below), whose sum is σ = 1631115332560. Its totient is φ = 815551948512.

The previous prime is 1223332211081. The next prime is 1223332211107. The reversal of 1223332211091 is 1901122333221.

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

It is not a de Polignac number, because 1223332211091 - 2⁷ = 1223332210963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1223332211081) 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 7 ways as a sum of consecutive naturals, for example, 663261 + ... + 1698993.

It is an arithmetic number, because the mean of its divisors is an integer number (203889416570).

Almost surely, 2^{1223332211091} is an apocalyptic number.

1223332211091 is a deficient number, since it is larger than the sum of its proper divisors (407783121469).

1223332211091 is a wasteful number, since it uses less digits than its factorization.

1223332211091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1429445.

The product of its (nonzero) digits is 3888, while the sum is 30.

The spelling of 1223332211091 in words is "one trillion, two hundred twenty-three billion, three hundred thirty-two million, two hundred eleven thousand, ninety-one".