22101202210 has 8 divisors (see below), whose sum is σ = 39782163996. Its totient is φ = 8840480880.

The previous prime is 22101202199. The next prime is 22101202213. The reversal of 22101202210 is 1220210122.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 21129820321 + 971381889 = 145361^2 + 31167^2 .

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 (22101202213) 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, 1105060101 + ... + 1105060120.

Almost surely, 2^22101202210 is an apocalyptic number.

22101202210 is a deficient number, since it is larger than the sum of its proper divisors (17680961786).

22101202210 is a wasteful number, since it uses less digits than its factorization.

22101202210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2210120228.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 22101202210 its reverse (1220210122), we get a palindrome (23321412332).

The spelling of 22101202210 in words is "twenty-two billion, one hundred one million, two hundred two thousand, two hundred ten".