22110211122002 has 4 divisors (see below), whose sum is σ = 33165316683006. Its totient is φ = 11055105561000.

The previous prime is 22110211122001. The next prime is 22110211122007. The reversal of 22110211122002 is 20022111201122.

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., 14291582937241 + 7818628184761 = 3780421^2 + 2796181^2 .

It is a super-2 number, since 2×22110211122002² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22110211122001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5527552780499 + ... + 5527552780502.

Almost surely, 2^{22110211122002} is an apocalyptic number.

22110211122002 is a deficient number, since it is larger than the sum of its proper divisors (11055105561004).

22110211122002 is a wasteful number, since it uses less digits than its factorization.

22110211122002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11055105561003.

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

Adding to 22110211122002 its reverse (20022111201122), we get a palindrome (42132322323124).

The spelling of 22110211122002 in words is "twenty-two trillion, one hundred ten billion, two hundred eleven million, one hundred twenty-two thousand, two".