10112001121001 has 16 divisors (see below), whose sum is σ = 11534497372944. Its totient is φ = 8781985419264.

The previous prime is 10112001120997. The next prime is 10112001121007. The reversal of 10112001121001 is 10012110021101.

It can be written as a sum of positive squares in 8 ways, for example, as 23500583401 + 10088500537600 = 153299^2 + 3176240^2 .

It is a cyclic number.

It is not a de Polignac number, because 10112001121001 - 2² = 10112001120997 is a prime.

It is a super-2 number, since 2×10112001121001² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10112001121007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7449386 + ... + 8701571.

It is an arithmetic number, because the mean of its divisors is an integer number (720906085809).

Almost surely, 2^{10112001121001} is an apocalyptic number.

It is an amenable number.

10112001121001 is a deficient number, since it is larger than the sum of its proper divisors (1422496251943).

10112001121001 is a wasteful number, since it uses less digits than its factorization.

10112001121001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16153820.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 10112001121001 its reverse (10012110021101), we get a palindrome (20124111142102).

The spelling of 10112001121001 in words is "ten trillion, one hundred twelve billion, one million, one hundred twenty-one thousand, one".