1002111222212 has 24 divisors (see below), whose sum is σ = 1762808687640. Its totient is φ = 498452209920.

The previous prime is 1002111222199. The next prime is 1002111222227. The reversal of 1002111222212 is 2122221112001.

1002111222212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 302790469696 + 699320752516 = 550264^2 + 836254^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6878864 + ... + 7023032.

It is an arithmetic number, because the mean of its divisors is an integer number (73450361985).

Almost surely, 2^{1002111222212} is an apocalyptic number.

It is an amenable number.

1002111222212 is a deficient number, since it is larger than the sum of its proper divisors (760697465428).

1002111222212 is a wasteful number, since it uses less digits than its factorization.

1002111222212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153191 (or 153189 counting only the distinct ones).

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

Adding to 1002111222212 its reverse (2122221112001), we get a palindrome (3124332334213).

The spelling of 1002111222212 in words is "one trillion, two billion, one hundred eleven million, two hundred twenty-two thousand, two hundred twelve".