22301221002113 has 4 divisors (see below), whose sum is σ = 22301429802708. Its totient is φ = 22301012201520.

The previous prime is 22301221002107. The next prime is 22301221002133. The reversal of 22301221002113 is 31120012210322.

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 13442906932849 + 8858314069264 = 3666457^2 + 2976292^2 .

It is a cyclic number.

It is not a de Polignac number, because 22301221002113 - 2¹⁸ = 22301220739969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22301221002133) 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, 104240006 + ... + 104453727.

It is an arithmetic number, because the mean of its divisors is an integer number (5575357450677).

Almost surely, 2^{22301221002113} is an apocalyptic number.

It is an amenable number.

22301221002113 is a deficient number, since it is larger than the sum of its proper divisors (208800595).

22301221002113 is a wasteful number, since it uses less digits than its factorization.

22301221002113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208800594.

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

Adding to 22301221002113 its reverse (31120012210322), we get a palindrome (53421233212435).

The spelling of 22301221002113 in words is "twenty-two trillion, three hundred one billion, two hundred twenty-one million, two thousand, one hundred thirteen".