1002202120210 has 8 divisors (see below), whose sum is σ = 1803963816396. Its totient is φ = 400880848080.

The previous prime is 1002202120207. The next prime is 1002202120253. The reversal of 1002202120210 is 120212022001.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 996521031081 + 5681089129 = 998259^2 + 75373^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50110106001 + ... + 50110106020.

Almost surely, 2^{1002202120210} is an apocalyptic number.

1002202120210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1002202120210 is a deficient number, since it is larger than the sum of its proper divisors (801761696186).

1002202120210 is a wasteful number, since it uses less digits than its factorization.

1002202120210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100220212028.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 1002202120210 its reverse (120212022001), we get a palindrome (1122414142211).

The spelling of 1002202120210 in words is "one trillion, two billion, two hundred two million, one hundred twenty thousand, two hundred ten".