10402401403121 has 32 divisors (see below), whose sum is σ = 12988136125440. Its totient is φ = 8111900199744.

The previous prime is 10402401403117. The next prime is 10402401403139. The reversal of 10402401403121 is 12130410420401.

It is a cyclic number.

It is not a de Polignac number, because 10402401403121 - 2² = 10402401403117 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10402401403921) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1521206 + ... + 4808208.

It is an arithmetic number, because the mean of its divisors is an integer number (405879253920).

Almost surely, 2^{10402401403121} is an apocalyptic number.

It is an amenable number.

10402401403121 is a deficient number, since it is larger than the sum of its proper divisors (2585734722319).

10402401403121 is a wasteful number, since it uses less digits than its factorization.

10402401403121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3287525.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 10402401403121 its reverse (12130410420401), we get a palindrome (22532811823522).

The spelling of 10402401403121 in words is "ten trillion, four hundred two billion, four hundred one million, four hundred three thousand, one hundred twenty-one".