10400355121 has 8 divisors (see below), whose sum is σ = 11209834944. Its totient is φ = 9592225680.

The previous prime is 10400355103. The next prime is 10400355169. The reversal of 10400355121 is 12155300401.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10400355121 - 2⁹ = 10400354609 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10400355092 and 10400355101.

It is not an unprimeable number, because it can be changed into a prime (10400355101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 321565 + ... + 352426.

It is an arithmetic number, because the mean of its divisors is an integer number (1401229368).

Almost surely, 2^10400355121 is an apocalyptic number.

It is an amenable number.

10400355121 is a deficient number, since it is larger than the sum of its proper divisors (809479823).

10400355121 is a wasteful number, since it uses less digits than its factorization.

10400355121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 675191.

The product of its (nonzero) digits is 600, while the sum is 22.

Adding to 10400355121 its reverse (12155300401), we get a palindrome (22555655522).

The spelling of 10400355121 in words is "ten billion, four hundred million, three hundred fifty-five thousand, one hundred twenty-one".