420112211025 has 48 divisors (see below), whose sum is σ = 749398771520. Its totient is φ = 206441913600.

The previous prime is 420112210979. The next prime is 420112211027. The reversal of 420112211025 is 520112211024.

It is not a de Polignac number, because 420112211025 - 2⁶ = 420112210961 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 420112210992 and 420112211010.

It is not an unprimeable number, because it can be changed into a prime (420112211027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 129246 + ... + 925704.

Almost surely, 2^420112211025 is an apocalyptic number.

It is an amenable number.

420112211025 is a deficient number, since it is larger than the sum of its proper divisors (329286560495).

420112211025 is a wasteful number, since it uses less digits than its factorization.

420112211025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 797026 (or 797021 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 21.

Adding to 420112211025 its reverse (520112211024), we get a palindrome (940224422049).

Subtracting 420112211025 from its reverse (520112211024), we obtain a palindrome (99999999999).

The spelling of 420112211025 in words is "four hundred twenty billion, one hundred twelve million, two hundred eleven thousand, twenty-five".