11222010001021 has 4 divisors (see below), whose sum is σ = 11222558962912. Its totient is φ = 11221461039132.

The previous prime is 11222010000919. The next prime is 11222010001043. The reversal of 11222010001021 is 12010001022211.

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 11222010001021 - 2¹¹ = 11222009998973 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11222010000992 and 11222010001010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11222010008021) 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, 274450281 + ... + 274491166.

It is an arithmetic number, because the mean of its divisors is an integer number (2805639740728).

Almost surely, 2^{11222010001021} is an apocalyptic number.

It is an amenable number.

11222010001021 is a deficient number, since it is larger than the sum of its proper divisors (548961891).

11222010001021 is an equidigital number, since it uses as much as digits as its factorization.

11222010001021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 548961890.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 11222010001021 its reverse (12010001022211), we get a palindrome (23232011023232).

The spelling of 11222010001021 in words is "eleven trillion, two hundred twenty-two billion, ten million, one thousand, twenty-one".