10101001121 has 8 divisors (see below), whose sum is σ = 10350299904. Its totient is φ = 9851842080.

The previous prime is 10101001037. The next prime is 10101001123. The reversal of 10101001121 is 12110010101.

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 10101001121 - 2¹⁴ = 10100984737 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10101001099 and 10101001108.

It is not an unprimeable number, because it can be changed into a prime (10101001123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 119756 + ... + 185858.

It is an arithmetic number, because the mean of its divisors is an integer number (1293787488).

Almost surely, 2^10101001121 is an apocalyptic number.

It is an amenable number.

10101001121 is a deficient number, since it is larger than the sum of its proper divisors (249298783).

10101001121 is an equidigital number, since it uses as much as digits as its factorization.

10101001121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69871.

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

Adding to 10101001121 its reverse (12110010101), we get a palindrome (22211011222).

The spelling of 10101001121 in words is "ten billion, one hundred one million, one thousand, one hundred twenty-one".