11210211110021 has 8 divisors (see below), whose sum is σ = 13976367098304. Its totient is φ = 8735229436320.

The previous prime is 11210211109987. The next prime is 11210211110023. The reversal of 11210211110021 is 12001111201211.

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 11210211110021 - 2¹⁸ = 11210210847877 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11210211109978 and 11210211110005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11210211110023) 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, 72793578560 + ... + 72793578713.

It is an arithmetic number, because the mean of its divisors is an integer number (1747045887288).

Almost surely, 2^{11210211110021} is an apocalyptic number.

11210211110021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11210211110021 is a deficient number, since it is larger than the sum of its proper divisors (2766155988283).

11210211110021 is a wasteful number, since it uses less digits than its factorization.

11210211110021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145587157291.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 11210211110021 its reverse (12001111201211), we get a palindrome (23211322311232).

The spelling of 11210211110021 in words is "eleven trillion, two hundred ten billion, two hundred eleven million, one hundred ten thousand, twenty-one".