4021010110422 has 64 divisors (see below), whose sum is σ = 9226847569920. Its totient is φ = 1296674632800.

The previous prime is 4021010110331. The next prime is 4021010110457. The reversal of 4021010110422 is 2240110101204.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 4021010110395 and 4021010110404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4731753 + ... + 5516475.

It is an arithmetic number, because the mean of its divisors is an integer number (144169493280).

Almost surely, 2^{4021010110422} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4021010110422, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4613423784960).

4021010110422 is an abundant number, since it is smaller than the sum of its proper divisors (5205837459498).

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

4021010110422 is a wasteful number, since it uses less digits than its factorization.

4021010110422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 787826 (or 787820 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 4021010110422 its reverse (2240110101204), we get a palindrome (6261120211626).

The spelling of 4021010110422 in words is "four trillion, twenty-one billion, ten million, one hundred ten thousand, four hundred twenty-two".