121203130331011 has 2 divisors, whose sum is σ = 121203130331012. Its totient is φ = 121203130331010.

The previous prime is 121203130330993. The next prime is 121203130331047. The reversal of 121203130331011 is 110133031302121.

It is a weak prime.

It is an emirp because it is prime and its reverse (110133031302121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 121203130331011 - 2¹³ = 121203130322819 is a prime.

It is not a weakly prime, because it can be changed into another prime (121203130331111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60601565165505 + 60601565165506.

It is an arithmetic number, because the mean of its divisors is an integer number (60601565165506).

Almost surely, 2^{121203130331011} is an apocalyptic number.

121203130331011 is a deficient number, since it is larger than the sum of its proper divisors (1).

121203130331011 is an equidigital number, since it uses as much as digits as its factorization.

121203130331011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 22.

Adding to 121203130331011 its reverse (110133031302121), we get a palindrome (231336161633132).

The spelling of 121203130331011 in words is "one hundred twenty-one trillion, two hundred three billion, one hundred thirty million, three hundred thirty-one thousand, eleven".