22211220120022 has 4 divisors (see below), whose sum is σ = 33316830180036. Its totient is φ = 11105610060010.

The previous prime is 22211220119989. The next prime is 22211220120029. The reversal of 22211220120022 is 22002102211222.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22211220120029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5552805030004 + ... + 5552805030007.

It is an arithmetic number, because the mean of its divisors is an integer number (8329207545009).

Almost surely, 2^{22211220120022} is an apocalyptic number.

22211220120022 is a deficient number, since it is larger than the sum of its proper divisors (11105610060014).

22211220120022 is a wasteful number, since it uses less digits than its factorization.

22211220120022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11105610060013.

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

Adding to 22211220120022 its reverse (22002102211222), we get a palindrome (44213322331244).

The spelling of 22211220120022 in words is "twenty-two trillion, two hundred eleven billion, two hundred twenty million, one hundred twenty thousand, twenty-two".