22011221019999 has 8 divisors (see below), whose sum is σ = 29349583290160. Its totient is φ = 14673503048256.

The previous prime is 22011221019961. The next prime is 22011221020001. The reversal of 22011221019999 is 99991012211022.

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

It is not a de Polignac number, because 22011221019999 - 2⁷ = 22011221019871 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22011221019929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 160994884 + ... + 161131545.

It is an arithmetic number, because the mean of its divisors is an integer number (3668697911270).

Almost surely, 2^{22011221019999} is an apocalyptic number.

22011221019999 is a deficient number, since it is larger than the sum of its proper divisors (7338362270161).

22011221019999 is a wasteful number, since it uses less digits than its factorization.

22011221019999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322149209.

The product of its (nonzero) digits is 104976, while the sum is 48.

The spelling of 22011221019999 in words is "twenty-two trillion, eleven billion, two hundred twenty-one million, nineteen thousand, nine hundred ninety-nine".