4222121020112 has 10 divisors (see below), whose sum is σ = 8180359476498. Its totient is φ = 2111060510048.

The previous prime is 4222121020109. The next prime is 4222121020123. The reversal of 4222121020112 is 2110201212224.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 3253636718656 + 968484301456 = 1803784^2 + 984116^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 131941281863 + ... + 131941281894.

Almost surely, 2^{4222121020112} is an apocalyptic number.

It is an amenable number.

4222121020112 is a deficient number, since it is larger than the sum of its proper divisors (3958238456386).

4222121020112 is a wasteful number, since it uses less digits than its factorization.

4222121020112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263882563765 (or 263882563759 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 4222121020112 its reverse (2110201212224), we get a palindrome (6332322232336).

The spelling of 4222121020112 in words is "four trillion, two hundred twenty-two billion, one hundred twenty-one million, twenty thousand, one hundred twelve".