121102143003 has 12 divisors (see below), whose sum is σ = 176560135128. Its totient is φ = 79980230880.

The previous prime is 121102142989. The next prime is 121102143023. The reversal of 121102143003 is 300341201121.

121102143003 is a `hidden beast` number, since 1 + 211 + 0 + 21 + 430 + 0 + 3 = 666.

It is not a de Polignac number, because 121102143003 - 2¹² = 121102138907 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121102143023) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 62876578 + ... + 62878503.

It is an arithmetic number, because the mean of its divisors is an integer number (14713344594).

Almost surely, 2^121102143003 is an apocalyptic number.

121102143003 is a deficient number, since it is larger than the sum of its proper divisors (55457992125).

121102143003 is a wasteful number, since it uses less digits than its factorization.

121102143003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125755194 (or 125755191 counting only the distinct ones).

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

Adding to 121102143003 its reverse (300341201121), we get a palindrome (421443344124).

The spelling of 121102143003 in words is "one hundred twenty-one billion, one hundred two million, one hundred forty-three thousand, three".