1002222222222 has 32 divisors (see below), whose sum is σ = 2285610862752. Its totient is φ = 290236299264.

The previous prime is 1002222222203. The next prime is 1002222222223. The reversal of 1002222222222 is 2222222222001.

1002222222222 is a modest number, since divided by 2222222 gives 100222 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002222222223) 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, 377910523 + ... + 377913174.

It is an arithmetic number, because the mean of its divisors is an integer number (71425339461).

Almost surely, 2^{1002222222222} is an apocalyptic number.

1002222222222 is an abundant number, since it is smaller than the sum of its proper divisors (1283388640530).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1002222222222 is a wasteful number, since it uses less digits than its factorization.

1002222222222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 755823732.

The product of its (nonzero) digits is 1024, while the sum is 21.

Adding to 1002222222222 its reverse (2222222222001), we get a palindrome (3224444444223).

The spelling of 1002222222222 in words is "one trillion, two billion, two hundred twenty-two million, two hundred twenty-two thousand, two hundred twenty-two".