121026266122111 has 16 divisors (see below), whose sum is σ = 139414142352384. Its totient is φ = 102915277488864.

The previous prime is 121026266122081. The next prime is 121026266122129. The reversal of 121026266122111 is 111221662620121.

It is a cyclic number.

It is not a de Polignac number, because 121026266122111 - 2⁹ = 121026266121599 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121026266122711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 94580215 + ... + 95851288.

It is an arithmetic number, because the mean of its divisors is an integer number (8713383897024).

Almost surely, 2^{121026266122111} is an apocalyptic number.

121026266122111 is a deficient number, since it is larger than the sum of its proper divisors (18387876230273).

121026266122111 is a wasteful number, since it uses less digits than its factorization.

121026266122111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190432230.

The product of its (nonzero) digits is 6912, while the sum is 34.

The spelling of 121026266122111 in words is "one hundred twenty-one trillion, twenty-six billion, two hundred sixty-six million, one hundred twenty-two thousand, one hundred eleven".