22420112111442 has 16 divisors (see below), whose sum is σ = 49822471358880. Its totient is φ = 7473370703796.

The previous prime is 22420112111437. The next prime is 22420112111477. The reversal of 22420112111442 is 24411121102422.

22420112111442 is a `hidden beast` number, since 2 + 2 + 4 + 2 + 0 + 1 + 1 + 211 + 1 + 442 = 666.

It is a super-2 number, since 2×22420112111442² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 207593630608 + ... + 207593630715.

It is an arithmetic number, because the mean of its divisors is an integer number (3113904459930).

Almost surely, 2^{22420112111442} is an apocalyptic number.

22420112111442 is an abundant number, since it is smaller than the sum of its proper divisors (27402359247438).

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

22420112111442 is a wasteful number, since it uses less digits than its factorization.

22420112111442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 415187261334 (or 415187261328 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 27.

Adding to 22420112111442 its reverse (24411121102422), we get a palindrome (46831233213864).

The spelling of 22420112111442 in words is "twenty-two trillion, four hundred twenty billion, one hundred twelve million, one hundred eleven thousand, four hundred forty-two".