210021200122002 has 32 divisors (see below), whose sum is σ = 432470695480704. Its totient is φ = 67945120992000.

The previous prime is 210021200121911. The next prime is 210021200122057. The reversal of 210021200122002 is 200221002120012.

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 15 ways as a sum of consecutive naturals, for example, 1179513774 + ... + 1179691817.

It is an arithmetic number, because the mean of its divisors is an integer number (13514709233772).

Almost surely, 2^{210021200122002} is an apocalyptic number.

210021200122002 is an abundant number, since it is smaller than the sum of its proper divisors (222449495358702).

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

210021200122002 is a wasteful number, since it uses less digits than its factorization.

210021200122002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2359206034.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 210021200122002 its reverse (200221002120012), we get a palindrome (410242202242014).

It can be divided in two parts, 21002120012 and 2002, that multiplied together give a palindrome (42046244264024).

The spelling of 210021200122002 in words is "two hundred ten trillion, twenty-one billion, two hundred million, one hundred twenty-two thousand, two".