421321231011 has 8 divisors (see below), whose sum is σ = 561782741760. Its totient is φ = 280870270472.

The previous prime is 421321231007. The next prime is 421321231033. The reversal of 421321231011 is 110132123124.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 421321231011 - 2² = 421321231007 is a prime.

It is not an unprimeable number, because it can be changed into a prime (421321231411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2543895 + ... + 2704448.

It is an arithmetic number, because the mean of its divisors is an integer number (70222842720).

Almost surely, 2^421321231011 is an apocalyptic number.

421321231011 is a deficient number, since it is larger than the sum of its proper divisors (140461510749).

421321231011 is a wasteful number, since it uses less digits than its factorization.

421321231011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5275105.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 421321231011 its reverse (110132123124), we get a palindrome (531453354135).

The spelling of 421321231011 in words is "four hundred twenty-one billion, three hundred twenty-one million, two hundred thirty-one thousand, eleven".