1002211012210 has 16 divisors (see below), whose sum is σ = 1824249259800. Its totient is φ = 396380085376.

The previous prime is 1002211012199. The next prime is 1002211012219. The reversal of 1002211012210 is 122101122001.

It can be written as a sum of positive squares in 4 ways, for example, as 377749139769 + 624461872441 = 614613^2 + 790229^2 .

It is not an unprimeable number, because it can be changed into a prime (1002211012219) 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, 563039005 + ... + 563040784.

Almost surely, 2^{1002211012210} is an apocalyptic number.

1002211012210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1002211012210 is a deficient number, since it is larger than the sum of its proper divisors (822038247590).

1002211012210 is a wasteful number, since it uses less digits than its factorization.

1002211012210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1126079885.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1002211012210 its reverse (122101122001), we get a palindrome (1124312134211).

The spelling of 1002211012210 in words is "one trillion, two billion, two hundred eleven million, twelve thousand, two hundred ten".