22111020122122 has 8 divisors (see below), whose sum is σ = 33166581200676. Its totient is φ = 11055493055232.

The previous prime is 22111020122117. The next prime is 22111020122123. The reversal of 22111020122122 is 22122102011122.

It can be written as a sum of positive squares in 2 ways, for example, as 17765542176561 + 4345477945561 = 4214919^2 + 2084581^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 22111020122122.

It is not an unprimeable number, because it can be changed into a prime (22111020122123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6810273 + ... + 9518500.

Almost surely, 2^{22111020122122} is an apocalyptic number.

22111020122122 is a deficient number, since it is larger than the sum of its proper divisors (11055561078554).

22111020122122 is a wasteful number, since it uses less digits than its factorization.

22111020122122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17005832.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 22111020122122 its reverse (22122102011122), we get a palindrome (44233122133244).

The spelling of 22111020122122 in words is "twenty-two trillion, one hundred eleven billion, twenty million, one hundred twenty-two thousand, one hundred twenty-two".