22121112140004 has 48 divisors (see below), whose sum is σ = 53871818571648. Its totient is φ = 7051573529088.

The previous prime is 22121112139957. The next prime is 22121112140021. The reversal of 22121112140004 is 40004121112122.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7448757 + ... + 9986300.

It is an arithmetic number, because the mean of its divisors is an integer number (1122329553576).

Almost surely, 2^{22121112140004} is an apocalyptic number.

It is an amenable number.

22121112140004 is an abundant number, since it is smaller than the sum of its proper divisors (31750706431644).

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

22121112140004 is a wasteful number, since it uses less digits than its factorization.

22121112140004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17439684 (or 17439682 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 22121112140004 its reverse (40004121112122), we get a palindrome (62125233252126).

The spelling of 22121112140004 in words is "twenty-two trillion, one hundred twenty-one billion, one hundred twelve million, one hundred forty thousand, four".