1210100021002 has 8 divisors (see below), whose sum is σ = 1816189046496. Its totient is φ = 604703672172.

The previous prime is 1210100020963. The next prime is 1210100021059. The reversal of 1210100021002 is 2001200010121.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1210100021002.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 173164798 + ... + 173171785.

It is an arithmetic number, because the mean of its divisors is an integer number (227023630812).

Almost surely, 2^{1210100021002} is an apocalyptic number.

1210100021002 is a deficient number, since it is larger than the sum of its proper divisors (606089025494).

1210100021002 is a wasteful number, since it uses less digits than its factorization.

1210100021002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 346338332.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 1210100021002 its reverse (2001200010121), we get a palindrome (3211300031123).

The spelling of 1210100021002 in words is "one trillion, two hundred ten billion, one hundred million, twenty-one thousand, two".