1002111222202 has 32 divisors (see below), whose sum is σ = 1542405553920. Its totient is φ = 488078377920.

The previous prime is 1002111222199. The next prime is 1002111222227. The reversal of 1002111222202 is 2022221112001.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76216993 + ... + 76230139.

It is an arithmetic number, because the mean of its divisors is an integer number (48200173560).

Almost surely, 2^{1002111222202} is an apocalyptic number.

1002111222202 is a deficient number, since it is larger than the sum of its proper divisors (540294331718).

1002111222202 is a wasteful number, since it uses less digits than its factorization.

1002111222202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16966.

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

Adding to 1002111222202 its reverse (2022221112001), we get a palindrome (3024332334203).

The spelling of 1002111222202 in words is "one trillion, two billion, one hundred eleven million, two hundred twenty-two thousand, two hundred two".