421100414142142 has 64 divisors (see below), whose sum is σ = 755621533384704. Its totient is φ = 172087535109600.

The previous prime is 421100414142113. The next prime is 421100414142169. The reversal of 421100414142142 is 241241414001124.

It is a happy number.

It is a super-2 number, since 2×421100414142142² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 142198267 + ... + 145129417.

It is an arithmetic number, because the mean of its divisors is an integer number (11806586459136).

Almost surely, 2^{421100414142142} is an apocalyptic number.

421100414142142 is a deficient number, since it is larger than the sum of its proper divisors (334521119242562).

421100414142142 is a wasteful number, since it uses less digits than its factorization.

421100414142142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2932573.

The product of its (nonzero) digits is 8192, while the sum is 31.

Adding to 421100414142142 its reverse (241241414001124), we get a palindrome (662341828143266).

The spelling of 421100414142142 in words is "four hundred twenty-one trillion, one hundred billion, four hundred fourteen million, one hundred forty-two thousand, one hundred forty-two".