1235110400121 has 16 divisors (see below), whose sum is σ = 1779157982336. Its totient is φ = 757639598976.

The previous prime is 1235110400093. The next prime is 1235110400131. The reversal of 1235110400121 is 1210040115321.

It is not a de Polignac number, because 1235110400121 - 2⁷ = 1235110399993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1235110400131) 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, 50578045 + ... + 50602458.

It is an arithmetic number, because the mean of its divisors is an integer number (111197373896).

Almost surely, 2^{1235110400121} is an apocalyptic number.

It is an amenable number.

1235110400121 is a deficient number, since it is larger than the sum of its proper divisors (544047582215).

1235110400121 is a wasteful number, since it uses less digits than its factorization.

1235110400121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101180832.

The product of its (nonzero) digits is 240, while the sum is 21.

Adding to 1235110400121 its reverse (1210040115321), we get a palindrome (2445150515442).

The spelling of 1235110400121 in words is "one trillion, two hundred thirty-five billion, one hundred ten million, four hundred thousand, one hundred twenty-one".