10404142112121 has 8 divisors (see below), whose sum is σ = 13944818747904. Its totient is φ = 6899780108880.

The previous prime is 10404142112093. The next prime is 10404142112131. The reversal of 10404142112121 is 12121124140401.

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

It is a de Polignac number, because none of the positive numbers 2^k-10404142112121 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10404142112091 and 10404142112100.

It is not an unprimeable number, because it can be changed into a prime (10404142112131) 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, 9078657466 + ... + 9078658611.

It is an arithmetic number, because the mean of its divisors is an integer number (1743102343488).

Almost surely, 2^{10404142112121} is an apocalyptic number.

It is an amenable number.

10404142112121 is a deficient number, since it is larger than the sum of its proper divisors (3540676635783).

10404142112121 is a wasteful number, since it uses less digits than its factorization.

10404142112121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18157316271.

The product of its (nonzero) digits is 512, while the sum is 24.

Adding to 10404142112121 its reverse (12121124140401), we get a palindrome (22525266252522).

The spelling of 10404142112121 in words is "ten trillion, four hundred four billion, one hundred forty-two million, one hundred twelve thousand, one hundred twenty-one".