2222221110002 has 32 divisors (see below), whose sum is σ = 3475497060720. Its totient is φ = 1064347764480.

The previous prime is 2222221109993. The next prime is 2222221110007. The reversal of 2222221110002 is 2000111222222.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 1295023516081 + 927197593921 = 1137991^2 + 962911^2 .

It is not an unprimeable number, because it can be changed into a prime (2222221110007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5834468 + ... + 6203664.

Almost surely, 2^{2222221110002} is an apocalyptic number.

2222221110002 is a deficient number, since it is larger than the sum of its proper divisors (1253275950718).

2222221110002 is a wasteful number, since it uses less digits than its factorization.

2222221110002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370046.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 2222221110002 its reverse (2000111222222), we get a palindrome (4222332332224).

The spelling of 2222221110002 in words is "two trillion, two hundred twenty-two billion, two hundred twenty-one million, one hundred ten thousand, two".