10011021101021 has 4 divisors (see below), whose sum is σ = 10011046195392. Its totient is φ = 10010996006652.

The previous prime is 10011021100937. The next prime is 10011021101027. The reversal of 10011021101021 is 12010112011001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 10011021101021 - 2³⁸ = 9736143194077 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10011021100993 and 10011021101011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10011021101027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11938955 + ... + 12749928.

It is an arithmetic number, because the mean of its divisors is an integer number (2502761548848).

Almost surely, 2^{10011021101021} is an apocalyptic number.

It is an amenable number.

10011021101021 is a deficient number, since it is larger than the sum of its proper divisors (25094371).

10011021101021 is an equidigital number, since it uses as much as digits as its factorization.

10011021101021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25094370.

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

Adding to 10011021101021 its reverse (12010112011001), we get a palindrome (22021133112022).

The spelling of 10011021101021 in words is "ten trillion, eleven billion, twenty-one million, one hundred one thousand, twenty-one".