22211321131210 has 8 divisors (see below), whose sum is σ = 39980378036196. Its totient is φ = 8884528452480.

The previous prime is 22211321131201. The next prime is 22211321131211. The reversal of 22211321131210 is 1213112311222.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 17948347429401 + 4262973701809 = 4236549^2 + 2064697^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (22211321131211) 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, 1110566056551 + ... + 1110566056570.

Almost surely, 2^{22211321131210} is an apocalyptic number.

22211321131210 is a deficient number, since it is larger than the sum of its proper divisors (17769056904986).

22211321131210 is a wasteful number, since it uses less digits than its factorization.

22211321131210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2221132113128.

The product of its (nonzero) digits is 288, while the sum is 22.

Adding to 22211321131210 its reverse (1213112311222), we get a palindrome (23424433442432).

The spelling of 22211321131210 in words is "twenty-two trillion, two hundred eleven billion, three hundred twenty-one million, one hundred thirty-one thousand, two hundred ten".