22120111210002 has 32 divisors (see below), whose sum is σ = 47649260585472. Its totient is φ = 6805338902784.

The previous prime is 22120111209971. The next prime is 22120111210007. The reversal of 22120111210002 is 20001211102122.

It is a super-2 number, since 2×22120111210002² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22120111210007) 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, 17061538 + ... + 18312189.

It is an arithmetic number, because the mean of its divisors is an integer number (1489039393296).

Almost surely, 2^{22120111210002} is an apocalyptic number.

22120111210002 is an abundant number, since it is smaller than the sum of its proper divisors (25529149375470).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22120111210002 is a wasteful number, since it uses less digits than its factorization.

22120111210002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35381762.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 22120111210002 its reverse (20001211102122), we get a palindrome (42121322312124).

The spelling of 22120111210002 in words is "twenty-two trillion, one hundred twenty billion, one hundred eleven million, two hundred ten thousand, two".