121011200230223 has 16 divisors (see below), whose sum is σ = 123041451561600. Its totient is φ = 118987571181600.

The previous prime is 121011200230201. The next prime is 121011200230229. The reversal of 121011200230223 is 322032002110121.

It is a cyclic number.

It is not a de Polignac number, because 121011200230223 - 2⁶ = 121011200230159 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121011200230195 and 121011200230204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121011200230229) 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, 556492388 + ... + 556709798.

It is an arithmetic number, because the mean of its divisors is an integer number (7690090722600).

Almost surely, 2^{121011200230223} is an apocalyptic number.

121011200230223 is a deficient number, since it is larger than the sum of its proper divisors (2030251331377).

121011200230223 is a wasteful number, since it uses less digits than its factorization.

121011200230223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232598.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 121011200230223 its reverse (322032002110121), we get a palindrome (443043202340344).

The spelling of 121011200230223 in words is "one hundred twenty-one trillion, eleven billion, two hundred million, two hundred thirty thousand, two hundred twenty-three".