22120221202210 has 8 divisors (see below), whose sum is σ = 39816398163996. Its totient is φ = 8848088480880.

The previous prime is 22120221202201. The next prime is 22120221202231. The reversal of 22120221202210 is 1220212202122.

It can be written as a sum of positive squares in 2 ways, for example, as 18048571186321 + 4071650015889 = 4248361^2 + 2017833^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1106011060101 + ... + 1106011060120.

Almost surely, 2^{22120221202210} is an apocalyptic number.

22120221202210 is a deficient number, since it is larger than the sum of its proper divisors (17696176961786).

22120221202210 is a wasteful number, since it uses less digits than its factorization.

22120221202210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2212022120228.

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

Adding to 22120221202210 its reverse (1220212202122), we get a palindrome (23340433404332).

The spelling of 22120221202210 in words is "twenty-two trillion, one hundred twenty billion, two hundred twenty-one million, two hundred two thousand, two hundred ten".