10401131210121 has 12 divisors (see below), whose sum is σ = 15055221242880. Its totient is φ = 6919611296280.

The previous prime is 10401131210117. The next prime is 10401131210137. The reversal of 10401131210121 is 12101213110401.

10401131210121 is a `hidden beast` number, since 1 + 0 + 401 + 1 + 31 + 210 + 1 + 21 = 666.

It is not a de Polignac number, because 10401131210121 - 2² = 10401131210117 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 10401131210094 and 10401131210103.

It is not an unprimeable number, because it can be changed into a prime (10401131210621) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1206343545 + ... + 1206352166.

It is an arithmetic number, because the mean of its divisors is an integer number (1254601770240).

Almost surely, 2^{10401131210121} is an apocalyptic number.

It is an amenable number.

10401131210121 is a deficient number, since it is larger than the sum of its proper divisors (4654090032759).

10401131210121 is a wasteful number, since it uses less digits than its factorization.

10401131210121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2412696196 (or 2412696193 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 18.

Adding to 10401131210121 its reverse (12101213110401), we get a palindrome (22502344320522).

The spelling of 10401131210121 in words is "ten trillion, four hundred one billion, one hundred thirty-one million, two hundred ten thousand, one hundred twenty-one".