4021403420122 has 16 divisors (see below), whose sum is σ = 6581390133600. Its totient is φ = 1827657365040.

The previous prime is 4021403420117. The next prime is 4021403420173. The reversal of 4021403420122 is 2210243041204.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12501597 + ... + 12819232.

It is an arithmetic number, because the mean of its divisors is an integer number (411336883350).

Almost surely, 2^{4021403420122} is an apocalyptic number.

4021403420122 is a deficient number, since it is larger than the sum of its proper divisors (2559986713478).

4021403420122 is a wasteful number, since it uses less digits than its factorization.

4021403420122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25328061.

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 4021403420122 its reverse (2210243041204), we get a palindrome (6231646461326).

The spelling of 4021403420122 in words is "four trillion, twenty-one billion, four hundred three million, four hundred twenty thousand, one hundred twenty-two".