22143123143201 has 16 divisors (see below), whose sum is σ = 23726762306688. Its totient is φ = 20618384371200.

The previous prime is 22143123143179. The next prime is 22143123143363. The reversal of 22143123143201 is 10234132134122.

It is a happy number.

It is not a de Polignac number, because 22143123143201 - 2¹⁰ = 22143123142177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22143123145201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81218015 + ... + 81490196.

It is an arithmetic number, because the mean of its divisors is an integer number (1482922644168).

Almost surely, 2^{22143123143201} is an apocalyptic number.

It is an amenable number.

22143123143201 is a deficient number, since it is larger than the sum of its proper divisors (1583639163487).

22143123143201 is a wasteful number, since it uses less digits than its factorization.

22143123143201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162708392.

The product of its (nonzero) digits is 6912, while the sum is 29.

Adding to 22143123143201 its reverse (10234132134122), we get a palindrome (32377255277323).

The spelling of 22143123143201 in words is "twenty-two trillion, one hundred forty-three billion, one hundred twenty-three million, one hundred forty-three thousand, two hundred one".