401231122611 has 32 divisors (see below), whose sum is σ = 590180188416. Its totient is φ = 242447990400.

The previous prime is 401231122583. The next prime is 401231122627. The reversal of 401231122611 is 116221132104.

It is not a de Polignac number, because 401231122611 - 2¹⁰ = 401231121587 is a prime.

It is not an unprimeable number, because it can be changed into a prime (401231022611) 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, 1196556 + ... + 1494726.

It is an arithmetic number, because the mean of its divisors is an integer number (18443130888).

Almost surely, 2^401231122611 is an apocalyptic number.

401231122611 is a deficient number, since it is larger than the sum of its proper divisors (188949065805).

401231122611 is a wasteful number, since it uses less digits than its factorization.

401231122611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298544 (or 298522 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 24.

Adding to 401231122611 its reverse (116221132104), we get a palindrome (517452254715).

The spelling of 401231122611 in words is "four hundred one billion, two hundred thirty-one million, one hundred twenty-two thousand, six hundred eleven".