121012210013311 has 2 divisors, whose sum is σ = 121012210013312. Its totient is φ = 121012210013310.

The previous prime is 121012210013297. The next prime is 121012210013327. The reversal of 121012210013311 is 113310012210121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 121012210013311 - 2⁴³ = 112216116991103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121012210013371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60506105006655 + 60506105006656.

It is an arithmetic number, because the mean of its divisors is an integer number (60506105006656).

Almost surely, 2^{121012210013311} is an apocalyptic number.

121012210013311 is a deficient number, since it is larger than the sum of its proper divisors (1).

121012210013311 is an equidigital number, since it uses as much as digits as its factorization.

121012210013311 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 19.

Adding to 121012210013311 its reverse (113310012210121), we get a palindrome (234322222223432).

The spelling of 121012210013311 in words is "one hundred twenty-one trillion, twelve billion, two hundred ten million, thirteen thousand, three hundred eleven".