941221990233 has 72 divisors (see below), whose sum is σ = 1584051241344. Its totient is φ = 527458210560.

The previous prime is 941221990207. The next prime is 941221990243. The reversal of 941221990233 is 332099122149.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-941221990233 is a prime.

It is not an unprimeable number, because it can be changed into a prime (941221990243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 150664716 + ... + 150670962.

Almost surely, 2^941221990233 is an apocalyptic number.

It is an amenable number.

941221990233 is a deficient number, since it is larger than the sum of its proper divisors (642829251111).

941221990233 is a wasteful number, since it uses less digits than its factorization.

941221990233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6695 (or 6511 counting only the distinct ones).

The product of its (nonzero) digits is 209952, while the sum is 45.

The spelling of 941221990233 in words is "nine hundred forty-one billion, two hundred twenty-one million, nine hundred ninety thousand, two hundred thirty-three".