11210021001021 has 4 divisors (see below), whose sum is σ = 14946694668032. Its totient is φ = 7473347334012.

The previous prime is 11210021000951. The next prime is 11210021001029. The reversal of 11210021001021 is 12010012001211.

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 not a de Polignac number, because 11210021001021 - 2¹⁸ = 11210020738877 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11210021000988 and 11210021001006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11210021001029) 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, 1868336833501 + ... + 1868336833506.

It is an arithmetic number, because the mean of its divisors is an integer number (3736673667008).

Almost surely, 2^{11210021001021} is an apocalyptic number.

It is an amenable number.

11210021001021 is a deficient number, since it is larger than the sum of its proper divisors (3736673667011).

11210021001021 is an equidigital number, since it uses as much as digits as its factorization.

11210021001021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3736673667010.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 11210021001021 its reverse (12010012001211), we get a palindrome (23220033002232).

The spelling of 11210021001021 in words is "eleven trillion, two hundred ten billion, twenty-one million, one thousand, twenty-one".