121310103021011 has 2 divisors, whose sum is σ = 121310103021012. Its totient is φ = 121310103021010.

The previous prime is 121310103020989. The next prime is 121310103021031. The reversal of 121310103021011 is 110120301013121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 121310103021011 - 2²⁶ = 121310035912147 is a prime.

It is a super-2 number, since 2×121310103021011² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (121310103021031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60655051510505 + 60655051510506.

It is an arithmetic number, because the mean of its divisors is an integer number (60655051510506).

Almost surely, 2^{121310103021011} is an apocalyptic number.

121310103021011 is a deficient number, since it is larger than the sum of its proper divisors (1).

121310103021011 is an equidigital number, since it uses as much as digits as its factorization.

121310103021011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36, while the sum is 17.

Adding to 121310103021011 its reverse (110120301013121), we get a palindrome (231430404034132).

The spelling of 121310103021011 in words is "one hundred twenty-one trillion, three hundred ten billion, one hundred three million, twenty-one thousand, eleven".