22012231322021 has 8 divisors (see below), whose sum is σ = 22698446906688. Its totient is φ = 21333126780000.

The previous prime is 22012231322017. The next prime is 22012231322093. The reversal of 22012231322021 is 12022313221022.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 22012231322021 - 2² = 22012231322017 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 (22012231312021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1777754375 + ... + 1777766756.

It is an arithmetic number, because the mean of its divisors is an integer number (2837305863336).

Almost surely, 2^{22012231322021} is an apocalyptic number.

It is an amenable number.

22012231322021 is a deficient number, since it is larger than the sum of its proper divisors (686215584667).

22012231322021 is a wasteful number, since it uses less digits than its factorization.

22012231322021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3555521323.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 22012231322021 its reverse (12022313221022), we get a palindrome (34034544543043).

The spelling of 22012231322021 in words is "twenty-two trillion, twelve billion, two hundred thirty-one million, three hundred twenty-two thousand, twenty-one".