22201031213 has 4 divisors (see below), whose sum is σ = 23369506560. Its totient is φ = 21032555868.

The previous prime is 22201031201. The next prime is 22201031219. The reversal of 22201031213 is 31213010222.

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, and also an emirpimes, since its reverse is a distinct semiprime: 31213010222 = 2 ⋅15606505111.

It is a cyclic number.

It is not a de Polignac number, because 22201031213 - 2³⁰ = 21127289389 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 22201031191 and 22201031200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22201031219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 584237645 + ... + 584237682.

It is an arithmetic number, because the mean of its divisors is an integer number (5842376640).

Almost surely, 2^22201031213 is an apocalyptic number.

It is an amenable number.

22201031213 is a deficient number, since it is larger than the sum of its proper divisors (1168475347).

22201031213 is a wasteful number, since it uses less digits than its factorization.

22201031213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1168475346.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 22201031213 its reverse (31213010222), we get a palindrome (53414041435).

The spelling of 22201031213 in words is "twenty-two billion, two hundred one million, thirty-one thousand, two hundred thirteen".