20002100221210 has 16 divisors (see below), whose sum is σ = 36003833517600. Its totient is φ = 8000828284176.

The previous prime is 20002100221163. The next prime is 20002100221231. The reversal of 20002100221210 is 1212200120002.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9600061 + ... + 11496319.

It is an arithmetic number, because the mean of its divisors is an integer number (2250239594850).

Almost surely, 2^{20002100221210} is an apocalyptic number.

20002100221210 is a deficient number, since it is larger than the sum of its proper divisors (16001733296390).

20002100221210 is a wasteful number, since it uses less digits than its factorization.

20002100221210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2951085.

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

Adding to 20002100221210 its reverse (1212200120002), we get a palindrome (21214300341212).

The spelling of 20002100221210 in words is "twenty trillion, two billion, one hundred million, two hundred twenty-one thousand, two hundred ten".