121004243101 has 24 divisors (see below), whose sum is σ = 150835789440. Its totient is φ = 96440706432.

The previous prime is 121004243057. The next prime is 121004243141. The reversal of 121004243101 is 101342400121.

It is not a de Polignac number, because 121004243101 - 2⁹ = 121004242589 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121004243141) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 805941 + ... + 944218.

It is an arithmetic number, because the mean of its divisors is an integer number (6284824560).

Almost surely, 2^121004243101 is an apocalyptic number.

It is an amenable number.

121004243101 is a deficient number, since it is larger than the sum of its proper divisors (29831546339).

121004243101 is a wasteful number, since it uses less digits than its factorization.

121004243101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1750273 (or 1750266 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 121004243101 its reverse (101342400121), we get a palindrome (222346643222).

The spelling of 121004243101 in words is "one hundred twenty-one billion, four million, two hundred forty-three thousand, one hundred one".