22120001210 has 16 divisors (see below), whose sum is σ = 41911581600. Its totient is φ = 8382316176.

The previous prime is 22120001203. The next prime is 22120001221. The reversal of 22120001210 is 1210002122.

It is a happy number.

It is a super-3 number, since 3×22120001210³ (a number of 32 digits) contains 333 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 22120001191 and 22120001200.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58210340 + ... + 58210719.

It is an arithmetic number, because the mean of its divisors is an integer number (2619473850).

Almost surely, 2^22120001210 is an apocalyptic number.

22120001210 is a deficient number, since it is larger than the sum of its proper divisors (19791580390).

22120001210 is a wasteful number, since it uses less digits than its factorization.

22120001210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116421085.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 22120001210 its reverse (1210002122), we get a palindrome (23330003332).

The spelling of 22120001210 in words is "twenty-two billion, one hundred twenty million, one thousand, two hundred ten".