22212124201 has 4 divisors (see below), whose sum is σ = 22213308100. Its totient is φ = 22210940304.

The previous prime is 22212124183. The next prime is 22212124217. The reversal of 22212124201 is 10242121222.

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 21985772176 + 226352025 = 148276^2 + 15045^2 .

It is a cyclic number.

It is not a de Polignac number, because 22212124201 - 2⁵ = 22212124169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22212124261) 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, 563346 + ... + 601483.

It is an arithmetic number, because the mean of its divisors is an integer number (5553327025).

Almost surely, 2^22212124201 is an apocalyptic number.

It is an amenable number.

22212124201 is a deficient number, since it is larger than the sum of its proper divisors (1183899).

22212124201 is a wasteful number, since it uses less digits than its factorization.

22212124201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1183898.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 22212124201 its reverse (10242121222), we get a palindrome (32454245423).

The spelling of 22212124201 in words is "twenty-two billion, two hundred twelve million, one hundred twenty-four thousand, two hundred one".