22110002121122 has 16 divisors (see below), whose sum is σ = 35143128526680. Its totient is φ = 10396634938368.

The previous prime is 22110002121121. The next prime is 22110002121131. The reversal of 22110002121122 is 22112120001122.

It can be written as a sum of positive squares in 4 ways, for example, as 21410137697881 + 699864423241 = 4627109^2 + 836579^2 .

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a self number, because there is not a number n which added to its sum of digits gives 22110002121122.

It is not an unprimeable number, because it can be changed into a prime (22110002121121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 252203723 + ... + 252291374.

Almost surely, 2^{22110002121122} is an apocalyptic number.

22110002121122 is a deficient number, since it is larger than the sum of its proper divisors (13033126405558).

22110002121122 is a wasteful number, since it uses less digits than its factorization.

22110002121122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 504496405.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 22110002121122 its reverse (22112120001122), we get a palindrome (44222122122244).

The spelling of 22110002121122 in words is "twenty-two trillion, one hundred ten billion, two million, one hundred twenty-one thousand, one hundred twenty-two".