10001010010121 has 8 divisors (see below), whose sum is σ = 10770346313664. Its totient is φ = 9231677683920.

The previous prime is 10001010010111. The next prime is 10001010010133. The reversal of 10001010010121 is 12101001010001.

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 10001010010121 - 2¹⁸ = 10001009747977 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10001010010099 and 10001010010108.

It is not an unprimeable number, because it can be changed into a prime (10001010010111) 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, 6105956 + ... + 7568666.

It is an arithmetic number, because the mean of its divisors is an integer number (1346293289208).

Almost surely, 2^{10001010010121} is an apocalyptic number.

It is an amenable number.

10001010010121 is a deficient number, since it is larger than the sum of its proper divisors (769336303543).

10001010010121 is a wasteful number, since it uses less digits than its factorization.

10001010010121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1988671.

The product of its (nonzero) digits is 2, while the sum is 8.

Adding to 10001010010121 its reverse (12101001010001), we get a palindrome (22102011020122).

The spelling of 10001010010121 in words is "ten trillion, one billion, ten million, ten thousand, one hundred twenty-one".