420003311121 has 24 divisors (see below), whose sum is σ = 633332157120. Its totient is φ = 267708176736.

The previous prime is 420003311107. The next prime is 420003311207. The reversal of 420003311121 is 121113300024.

It is not a de Polignac number, because 420003311121 - 2⁹ = 420003310609 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 420003311094 and 420003311103.

It is not an unprimeable number, because it can be changed into a prime (420003311521) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9550 + ... + 916568.

It is an arithmetic number, because the mean of its divisors is an integer number (26388839880).

Almost surely, 2^420003311121 is an apocalyptic number.

It is an amenable number.

420003311121 is a deficient number, since it is larger than the sum of its proper divisors (213328845999).

420003311121 is a wasteful number, since it uses less digits than its factorization.

420003311121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 909285 (or 909282 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 420003311121 its reverse (121113300024), we get a palindrome (541116611145).

The spelling of 420003311121 in words is "four hundred twenty billion, three million, three hundred eleven thousand, one hundred twenty-one".