1002120002210 has 32 divisors (see below), whose sum is σ = 1838872480752. Its totient is φ = 393066086400.

The previous prime is 1002120002189. The next prime is 1002120002269. The reversal of 1002120002210 is 122000212001.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 135602907049 + 866517095161 = 368243^2 + 930869^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1002120002191 and 1002120002200.

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, 429602 + ... + 1479458.

Almost surely, 2^{1002120002210} is an apocalyptic number.

1002120002210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1002120002210 is a deficient number, since it is larger than the sum of its proper divisors (836752478542).

1002120002210 is a wasteful number, since it uses less digits than its factorization.

1002120002210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1051718.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 1002120002210 its reverse (122000212001), we get a palindrome (1124120214211).

The spelling of 1002120002210 in words is "one trillion, two billion, one hundred twenty million, two thousand, two hundred ten".