421251301011 has 12 divisors (see below), whose sum is σ = 587150523848. Its totient is φ = 268624017024.

The previous prime is 421251301007. The next prime is 421251301019. The reversal of 421251301011 is 110103152124.

It is not a de Polignac number, because 421251301011 - 2² = 421251301007 is a prime.

It is a super-4 number, since 4×421251301011⁴ (a number of 48 digits) contains 4444 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (421251301019) 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 11 ways as a sum of consecutive naturals, for example, 132717790 + ... + 132720963.

Almost surely, 2^421251301011 is an apocalyptic number.

421251301011 is a deficient number, since it is larger than the sum of its proper divisors (165899222837).

421251301011 is a wasteful number, since it uses less digits than its factorization.

421251301011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265438802 (or 265438779 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 21.

Adding to 421251301011 its reverse (110103152124), we get a palindrome (531354453135).

The spelling of 421251301011 in words is "four hundred twenty-one billion, two hundred fifty-one million, three hundred one thousand, eleven".