21242244142014 has 128 divisors (see below), whose sum is σ = 48994434677760. Its totient is φ = 6014351056896.

The previous prime is 21242244141997. The next prime is 21242244142033. The reversal of 21242244142014 is 41024144224212.

It is a happy number.

It is a super-4 number, since 4×21242244142014⁴ (a number of 54 digits) contains 4444 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5436968649 + ... + 5436972555.

It is an arithmetic number, because the mean of its divisors is an integer number (382769020920).

Almost surely, 2^{21242244142014} is an apocalyptic number.

21242244142014 is an abundant number, since it is smaller than the sum of its proper divisors (27752190535746).

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

21242244142014 is a wasteful number, since it uses less digits than its factorization.

21242244142014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6082.

The product of its (nonzero) digits is 32768, while the sum is 33.

Adding to 21242244142014 its reverse (41024144224212), we get a palindrome (62266388366226).

The spelling of 21242244142014 in words is "twenty-one trillion, two hundred forty-two billion, two hundred forty-four million, one hundred forty-two thousand, fourteen".