22011031454342 has 12 divisors (see below), whose sum is σ = 38407003864380. Its totient is φ = 9433299194676.

The previous prime is 22011031454323. The next prime is 22011031454369. The reversal of 22011031454342 is 24345413011022.

It is a junction number, because it is equal to n+sod(n) for n = 22011031454299 and 22011031454308.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 112301180792 + ... + 112301180987.

It is an arithmetic number, because the mean of its divisors is an integer number (3200583655365).

Almost surely, 2^{22011031454342} is an apocalyptic number.

22011031454342 is a deficient number, since it is larger than the sum of its proper divisors (16395972410038).

22011031454342 is a wasteful number, since it uses less digits than its factorization.

22011031454342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224602361795 (or 224602361788 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 32.

Adding to 22011031454342 its reverse (24345413011022), we get a palindrome (46356444465364).

The spelling of 22011031454342 in words is "twenty-two trillion, eleven billion, thirty-one million, four hundred fifty-four thousand, three hundred forty-two".