210100021001002 has 64 divisors (see below), whose sum is σ = 372089458944000. Its totient is φ = 87941307312000.

The previous prime is 210100021000993. The next prime is 210100021001131. The reversal of 210100021001002 is 200100120001012.

It is a self number, because there is not a number n which added to its sum of digits gives 210100021001002.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17974252 + ... + 27263047.

It is an arithmetic number, because the mean of its divisors is an integer number (5813897796000).

Almost surely, 2^{210100021001002} is an apocalyptic number.

210100021001002 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

210100021001002 is a deficient number, since it is larger than the sum of its proper divisors (161989437942998).

210100021001002 is a wasteful number, since it uses less digits than its factorization.

210100021001002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45237643.

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

Adding to 210100021001002 its reverse (200100120001012), we get a palindrome (410200141002014).

The spelling of 210100021001002 in words is "two hundred ten trillion, one hundred billion, twenty-one million, one thousand, two".