11210021221001 has 4 divisors (see below), whose sum is σ = 11367908843904. Its totient is φ = 11052133598100.

The previous prime is 11210021220991. The next prime is 11210021221031. The reversal of 11210021221001 is 10012212001211.

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 11210021221001 - 2¹⁰ = 11210021219977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11210021221031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78943811345 + ... + 78943811486.

It is an arithmetic number, because the mean of its divisors is an integer number (2841977210976).

Almost surely, 2^{11210021221001} is an apocalyptic number.

It is an amenable number.

11210021221001 is a deficient number, since it is larger than the sum of its proper divisors (157887622903).

11210021221001 is an equidigital number, since it uses as much as digits as its factorization.

11210021221001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157887622902.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 11210021221001 its reverse (10012212001211), we get a palindrome (21222233222212).

The spelling of 11210021221001 in words is "eleven trillion, two hundred ten billion, twenty-one million, two hundred twenty-one thousand, one".