1203121331411 has 2 divisors, whose sum is σ = 1203121331412. Its totient is φ = 1203121331410.

The previous prime is 1203121331389. The next prime is 1203121331429. The reversal of 1203121331411 is 1141331213021.

It is a strong prime.

It is an emirp because it is prime and its reverse (1141331213021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1203121331411 - 2¹⁴ = 1203121315027 is a prime.

It is not a weakly prime, because it can be changed into another prime (1203121331471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 601560665705 + 601560665706.

It is an arithmetic number, because the mean of its divisors is an integer number (601560665706).

Almost surely, 2^{1203121331411} is an apocalyptic number.

1203121331411 is a deficient number, since it is larger than the sum of its proper divisors (1).

1203121331411 is an equidigital number, since it uses as much as digits as its factorization.

1203121331411 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 1203121331411 its reverse (1141331213021), we get a palindrome (2344452544432).

The spelling of 1203121331411 in words is "one trillion, two hundred three billion, one hundred twenty-one million, three hundred thirty-one thousand, four hundred eleven".