11222010121001 has 4 divisors (see below), whose sum is σ = 11223652453332. Its totient is φ = 11220367788672.

The previous prime is 11222010120943. The next prime is 11222010121067. The reversal of 11222010121001 is 10012101022211.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6027025000000 + 5194985121001 = 2455000^2 + 2279251^2 .

It is a cyclic number.

It is not a de Polignac number, because 11222010121001 - 2³⁴ = 11204830251817 is a prime.

It is a super-2 number, since 2×11222010121001² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11222010121601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 821155916 + ... + 821169581.

It is an arithmetic number, because the mean of its divisors is an integer number (2805913113333).

Almost surely, 2^{11222010121001} is an apocalyptic number.

It is an amenable number.

11222010121001 is a deficient number, since it is larger than the sum of its proper divisors (1642332331).

11222010121001 is an equidigital number, since it uses as much as digits as its factorization.

11222010121001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1642332330.

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

Adding to 11222010121001 its reverse (10012101022211), we get a palindrome (21234111143212).

The spelling of 11222010121001 in words is "eleven trillion, two hundred twenty-two billion, ten million, one hundred twenty-one thousand, one".