1231421314111 has 8 divisors (see below), whose sum is σ = 1236281902560. Its totient is φ = 1226561261568.

The previous prime is 1231421314103. The next prime is 1231421314129. The reversal of 1231421314111 is 1114131241321.

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 1231421314111 - 2³ = 1231421314103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1231421314411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4833070 + ... + 5081476.

It is an arithmetic number, because the mean of its divisors is an integer number (154535237820).

Almost surely, 2^{1231421314111} is an apocalyptic number.

1231421314111 is a deficient number, since it is larger than the sum of its proper divisors (4860588449).

1231421314111 is a wasteful number, since it uses less digits than its factorization.

1231421314111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267953.

The product of its digits is 576, while the sum is 25.

Adding to 1231421314111 its reverse (1114131241321), we get a palindrome (2345552555432).

The spelling of 1231421314111 in words is "one trillion, two hundred thirty-one billion, four hundred twenty-one million, three hundred fourteen thousand, one hundred eleven".