22111243401142 has 32 divisors (see below), whose sum is σ = 38480058731520. Its totient is φ = 9332548220160.

The previous prime is 22111243401119. The next prime is 22111243401223. The reversal of 22111243401142 is 24110434211122.

It is a self number, because there is not a number n which added to its sum of digits gives 22111243401142.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1018467 + ... + 6727537.

It is an arithmetic number, because the mean of its divisors is an integer number (1202501835360).

Almost surely, 2^{22111243401142} is an apocalyptic number.

22111243401142 is a deficient number, since it is larger than the sum of its proper divisors (16368815330378).

22111243401142 is a wasteful number, since it uses less digits than its factorization.

22111243401142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5713276.

The product of its (nonzero) digits is 3072, while the sum is 28.

Adding to 22111243401142 its reverse (24110434211122), we get a palindrome (46221677612264).

The spelling of 22111243401142 in words is "twenty-two trillion, one hundred eleven billion, two hundred forty-three million, four hundred one thousand, one hundred forty-two".