121013201121311 has 2 divisors, whose sum is σ = 121013201121312. Its totient is φ = 121013201121310.

The previous prime is 121013201121271. The next prime is 121013201121331. The reversal of 121013201121311 is 113121102310121.

It is an a-pointer prime, because the next prime (121013201121331) can be obtained adding 121013201121311 to its sum of digits (20).

It is a strong prime.

It is an emirp because it is prime and its reverse (113121102310121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 121013201121311 - 2¹⁴ = 121013201104927 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121013201121331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60506600560655 + 60506600560656.

It is an arithmetic number, because the mean of its divisors is an integer number (60506600560656).

Almost surely, 2^{121013201121311} is an apocalyptic number.

121013201121311 is a deficient number, since it is larger than the sum of its proper divisors (1).

121013201121311 is an equidigital number, since it uses as much as digits as its factorization.

121013201121311 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 20.

Adding to 121013201121311 its reverse (113121102310121), we get a palindrome (234134303431432).

The spelling of 121013201121311 in words is "one hundred twenty-one trillion, thirteen billion, two hundred one million, one hundred twenty-one thousand, three hundred eleven".