22120212010 has 32 divisors (see below), whose sum is σ = 43042285440. Its totient is φ = 8136395328.

The previous prime is 22120211989. The next prime is 22120212013. The reversal of 22120212010 is 1021202122.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is not an unprimeable number, because it can be changed into a prime (22120212013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 289300 + ... + 357679.

It is an arithmetic number, because the mean of its divisors is an integer number (1345071420).

Almost surely, 2^22120212010 is an apocalyptic number.

22120212010 is a deficient number, since it is larger than the sum of its proper divisors (20922073430).

22120212010 is a wasteful number, since it uses less digits than its factorization.

22120212010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 647262.

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

Adding to 22120212010 its reverse (1021202122), we get a palindrome (23141414132).

The spelling of 22120212010 in words is "twenty-two billion, one hundred twenty million, two hundred twelve thousand, ten".