10400545022121 has 12 divisors (see below), whose sum is σ = 15029903956080. Its totient is φ = 6930514613880.

The previous prime is 10400545022117. The next prime is 10400545022177. The reversal of 10400545022121 is 12122054500401.

It is a happy number.

10400545022121 is a `hidden beast` number, since 1 + 0 + 400 + 5 + 45 + 0 + 2 + 212 + 1 = 666.

It is not a de Polignac number, because 10400545022121 - 2² = 10400545022117 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10400545022191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 265151595 + ... + 265190816.

It is an arithmetic number, because the mean of its divisors is an integer number (1252491996340).

Almost surely, 2^{10400545022121} is an apocalyptic number.

It is an amenable number.

10400545022121 is a deficient number, since it is larger than the sum of its proper divisors (4629358933959).

10400545022121 is a wasteful number, since it uses less digits than its factorization.

10400545022121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 530344596 (or 530344593 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 27.

Adding to 10400545022121 its reverse (12122054500401), we get a palindrome (22522599522522).

The spelling of 10400545022121 in words is "ten trillion, four hundred billion, five hundred forty-five million, twenty-two thousand, one hundred twenty-one".