22120221200122 has 4 divisors (see below), whose sum is σ = 33180331800186. Its totient is φ = 11060110600060.

The previous prime is 22120221200101. The next prime is 22120221200123. The reversal of 22120221200122 is 22100212202122.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 21773039813281 + 347181386841 = 4666159^2 + 589221^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 22120221200122.

It is not an unprimeable number, because it can be changed into a prime (22120221200123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5530055300029 + ... + 5530055300032.

Almost surely, 2^{22120221200122} is an apocalyptic number.

22120221200122 is a deficient number, since it is larger than the sum of its proper divisors (11060110600064).

22120221200122 is a wasteful number, since it uses less digits than its factorization.

22120221200122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11060110600063.

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

Adding to 22120221200122 its reverse (22100212202122), we get a palindrome (44220433402244).

The spelling of 22120221200122 in words is "twenty-two trillion, one hundred twenty billion, two hundred twenty-one million, two hundred thousand, one hundred twenty-two".