121123012241 has 36 divisors (see below), whose sum is σ = 163280789136. Its totient is φ = 88829596800.

The previous prime is 121123012223. The next prime is 121123012243. The reversal of 121123012241 is 142210321121.

It is not a de Polignac number, because 121123012241 - 2⁶ = 121123012177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121123012243) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 233015 + ... + 544556.

It is an arithmetic number, because the mean of its divisors is an integer number (4535577476).

Almost surely, 2^121123012241 is an apocalyptic number.

121123012241 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

121123012241 is a deficient number, since it is larger than the sum of its proper divisors (42157776895).

121123012241 is a wasteful number, since it uses less digits than its factorization.

121123012241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 777630 (or 777606 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 121123012241 its reverse (142210321121), we get a palindrome (263333333362).

The spelling of 121123012241 in words is "one hundred twenty-one billion, one hundred twenty-three million, twelve thousand, two hundred forty-one".