421324401102051 has 32 divisors (see below), whose sum is σ = 567221574781440. Its totient is φ = 278159418561024.

The previous prime is 421324401101987. The next prime is 421324401102151. The reversal of 421324401102051 is 150201104423124.

It is not a de Polignac number, because 421324401102051 - 2⁶ = 421324401101987 is a prime.

It is not an unprimeable number, because it can be changed into a prime (421324401102151) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2172159765 + ... + 2172353721.

It is an arithmetic number, because the mean of its divisors is an integer number (17725674211920).

Almost surely, 2^{421324401102051} is an apocalyptic number.

421324401102051 is a deficient number, since it is larger than the sum of its proper divisors (145897173679389).

421324401102051 is a wasteful number, since it uses less digits than its factorization.

421324401102051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199515.

The product of its (nonzero) digits is 7680, while the sum is 30.

Adding to 421324401102051 its reverse (150201104423124), we get a palindrome (571525505525175).

The spelling of 421324401102051 in words is "four hundred twenty-one trillion, three hundred twenty-four billion, four hundred one million, one hundred two thousand, fifty-one".