113222103221 has 4 divisors (see below), whose sum is σ = 113223682572. Its totient is φ = 113220523872.

The previous prime is 113222103209. The next prime is 113222103251. The reversal of 113222103221 is 122301222311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 122301222311 = 7369 ⋅16596719.

It can be written as a sum of positive squares in 2 ways, for example, as 61263180196 + 51958923025 = 247514^2 + 227945^2 .

It is a cyclic number.

It is not a de Polignac number, because 113222103221 - 2¹⁰ = 113222102197 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 113222103193 and 113222103202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113222103251) 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, 676760 + ... + 827313.

It is an arithmetic number, because the mean of its divisors is an integer number (28305920643).

Almost surely, 2^113222103221 is an apocalyptic number.

It is an amenable number.

113222103221 is a deficient number, since it is larger than the sum of its proper divisors (1579351).

113222103221 is an equidigital number, since it uses as much as digits as its factorization.

113222103221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1579350.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 113222103221 its reverse (122301222311), we get a palindrome (235523325532).

The spelling of 113222103221 in words is "one hundred thirteen billion, two hundred twenty-two million, one hundred three thousand, two hundred twenty-one".