22111434040242 has 32 divisors (see below), whose sum is σ = 44383562226432. Its totient is φ = 7343716258944.

The previous prime is 22111434040229. The next prime is 22111434040247. The reversal of 22111434040242 is 24204043411122.

It is not an unprimeable number, because it can be changed into a prime (22111434040247) 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, 1720888 + ... + 6869084.

It is an arithmetic number, because the mean of its divisors is an integer number (1386986319576).

Almost surely, 2^{22111434040242} is an apocalyptic number.

22111434040242 is an abundant number, since it is smaller than the sum of its proper divisors (22272128186190).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22111434040242 is a wasteful number, since it uses less digits than its factorization.

22111434040242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5150802.

The product of its (nonzero) digits is 12288, while the sum is 30.

Adding to 22111434040242 its reverse (24204043411122), we get a palindrome (46315477451364).

The spelling of 22111434040242 in words is "twenty-two trillion, one hundred eleven billion, four hundred thirty-four million, forty thousand, two hundred forty-two".