11222121202321 has 4 divisors (see below), whose sum is σ = 11222334672192. Its totient is φ = 11221907732452.

The previous prime is 11222121202291. The next prime is 11222121202363. The reversal of 11222121202321 is 12320212122211.

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 11222121202321 - 2¹³ = 11222121194129 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11222121202292 and 11222121202301.

It is not an unprimeable number, because it can be changed into a prime (11222121202921) 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, 106656061 + ... + 106761226.

It is an arithmetic number, because the mean of its divisors is an integer number (2805583668048).

Almost surely, 2^{11222121202321} is an apocalyptic number.

It is an amenable number.

11222121202321 is a deficient number, since it is larger than the sum of its proper divisors (213469871).

11222121202321 is an equidigital number, since it uses as much as digits as its factorization.

11222121202321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213469870.

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 11222121202321 its reverse (12320212122211), we get a palindrome (23542333324532).

The spelling of 11222121202321 in words is "eleven trillion, two hundred twenty-two billion, one hundred twenty-one million, two hundred two thousand, three hundred twenty-one".