4021421332110 has 192 divisors, whose sum is σ = 12208393032192. Its totient is φ = 825543166464.

The previous prime is 4021421332091. The next prime is 4021421332127. The reversal of 4021421332110 is 112331241204.

It is a congruent number.

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 95 ways as a sum of consecutive naturals, for example, 3199369 + ... + 4275371.

It is an arithmetic number, because the mean of its divisors is an integer number (63585380376).

Almost surely, 2^{4021421332110} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4021421332110, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6104196516096).

4021421332110 is an abundant number, since it is smaller than the sum of its proper divisors (8186971700082).

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

4021421332110 is a wasteful number, since it uses less digits than its factorization.

4021421332110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1076107 (or 1076070 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 4021421332110 its reverse (112331241204), we get a palindrome (4133752573314).

The spelling of 4021421332110 in words is "four trillion, twenty-one billion, four hundred twenty-one million, three hundred thirty-two thousand, one hundred ten".