121102304043 has 16 divisors (see below), whose sum is σ = 185556390656. Its totient is φ = 68818986720.

The previous prime is 121102304033. The next prime is 121102304083. The reversal of 121102304043 is 340403201121.

It is not a de Polignac number, because 121102304043 - 2⁴ = 121102304027 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (121102304033) 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, 15926521 + ... + 15934122.

It is an arithmetic number, because the mean of its divisors is an integer number (11597274416).

Almost surely, 2^121102304043 is an apocalyptic number.

121102304043 is a deficient number, since it is larger than the sum of its proper divisors (64454086613).

121102304043 is a wasteful number, since it uses less digits than its factorization.

121102304043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31860834.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 121102304043 its reverse (340403201121), we get a palindrome (461505505164).

The spelling of 121102304043 in words is "one hundred twenty-one billion, one hundred two million, three hundred four thousand, forty-three".