121002043311 has 12 divisors (see below), whose sum is σ = 174901037688. Its totient is φ = 80612501904.

The previous prime is 121002043303. The next prime is 121002043397. The reversal of 121002043311 is 113340200121.

121002043311 is a `hidden beast` number, since 1 + 210 + 0 + 20 + 433 + 1 + 1 = 666.

It is not a de Polignac number, because 121002043311 - 2³ = 121002043303 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121002043411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4613445 + ... + 4639598.

It is an arithmetic number, because the mean of its divisors is an integer number (14575086474).

Almost surely, 2^121002043311 is an apocalyptic number.

121002043311 is a deficient number, since it is larger than the sum of its proper divisors (53898994377).

121002043311 is a wasteful number, since it uses less digits than its factorization.

121002043311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9254502 (or 9254499 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 121002043311 its reverse (113340200121), we get a palindrome (234342243432).

The spelling of 121002043311 in words is "one hundred twenty-one billion, two million, forty-three thousand, three hundred eleven".