1221311014341 has 48 divisors (see below), whose sum is σ = 1938099645120. Its totient is φ = 677819473920.

The previous prime is 1221311014327. The next prime is 1221311014381. The reversal of 1221311014341 is 1434101131221.

It is not a de Polignac number, because 1221311014341 - 2⁷ = 1221311014213 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1221311014381) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1377676 + ... + 2083413.

It is an arithmetic number, because the mean of its divisors is an integer number (40377075940).

Almost surely, 2^{1221311014341} is an apocalyptic number.

1221311014341 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1221311014341 is a deficient number, since it is larger than the sum of its proper divisors (716788630779).

1221311014341 is a wasteful number, since it uses less digits than its factorization.

1221311014341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3461174 (or 3461157 counting only the distinct ones).

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

Adding to 1221311014341 its reverse (1434101131221), we get a palindrome (2655412145562).

The spelling of 1221311014341 in words is "one trillion, two hundred twenty-one billion, three hundred eleven million, fourteen thousand, three hundred forty-one".