22110220121002 has 24 divisors (see below), whose sum is σ = 35913126011724. Its totient is φ = 10204611266304.

The previous prime is 22110220120987. The next prime is 22110220121053. The reversal of 22110220121002 is 20012102201122.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 352184089401 + 21758036031601 = 593451^2 + 4664551^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 39127908 + ... + 39688960.

Almost surely, 2^{22110220121002} is an apocalyptic number.

22110220121002 is a deficient number, since it is larger than the sum of its proper divisors (13802905890722).

22110220121002 is a wasteful number, since it uses less digits than its factorization.

22110220121002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 677674 (or 677661 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 22110220121002 its reverse (20012102201122), we get a palindrome (42122322322124).

The spelling of 22110220121002 in words is "twenty-two trillion, one hundred ten billion, two hundred twenty million, one hundred twenty-one thousand, two".