1002211222210 has 16 divisors (see below), whose sum is σ = 1967978400192. Its totient is φ = 364440444400.

The previous prime is 1002211222189. The next prime is 1002211222211. The reversal of 1002211222210 is 122221122001.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1002211222211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4555505446 + ... + 4555505665.

It is an arithmetic number, because the mean of its divisors is an integer number (122998650012).

Almost surely, 2^{1002211222210} is an apocalyptic number.

1002211222210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1002211222210 is a deficient number, since it is larger than the sum of its proper divisors (965767177982).

1002211222210 is a wasteful number, since it uses less digits than its factorization.

1002211222210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9111011129.

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

Adding to 1002211222210 its reverse (122221122001), we get a palindrome (1124432344211).

The spelling of 1002211222210 in words is "one trillion, two billion, two hundred eleven million, two hundred twenty-two thousand, two hundred ten".