1002221313210 has 48 divisors (see below), whose sum is σ = 2806219680264. Its totient is φ = 246700630656.

The previous prime is 1002221313131. The next prime is 1002221313251. The reversal of 1002221313210 is 123131222001.

1002221313210 is a `hidden beast` number, since 100 + 22 + 21 + 313 + 210 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 416036610081 + 586184703129 = 645009^2 + 765627^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 428298537 + ... + 428300876.

Almost surely, 2^{1002221313210} is an apocalyptic number.

1002221313210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1002221313210 is an abundant number, since it is smaller than the sum of its proper divisors (1803998367054).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1002221313210 is a wasteful number, since it uses less digits than its factorization.

1002221313210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 856599439 (or 856599436 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 1002221313210 its reverse (123131222001), we get a palindrome (1125352535211).

The spelling of 1002221313210 in words is "one trillion, two billion, two hundred twenty-one million, three hundred thirteen thousand, two hundred ten".