121073365386813 has 16 divisors (see below), whose sum is σ = 184498861099136. Its totient is φ = 69182487529920.

The previous prime is 121073365386803. The next prime is 121073365386893. The reversal of 121073365386813 is 318683563370121.

It is not a de Polignac number, because 121073365386813 - 2⁸ = 121073365386557 is a prime.

It is a super-2 number, since 2×121073365386813² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121073365386803) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 94879906 + ... + 96147507.

It is an arithmetic number, because the mean of its divisors is an integer number (11531178818696).

Almost surely, 2^{121073365386813} is an apocalyptic number.

It is an amenable number.

121073365386813 is a deficient number, since it is larger than the sum of its proper divisors (63425495712323).

121073365386813 is a wasteful number, since it uses less digits than its factorization.

121073365386813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191057604.

The product of its (nonzero) digits is 13063680, while the sum is 57.

The spelling of 121073365386813 in words is "one hundred twenty-one trillion, seventy-three billion, three hundred sixty-five million, three hundred eighty-six thousand, eight hundred thirteen".