20010221110210 has 64 divisors (see below), whose sum is σ = 37416169296000. Its totient is φ = 7695797501952.

The previous prime is 20010221110207. The next prime is 20010221110211. The reversal of 20010221110210 is 1201112201002.

It is not an unprimeable number, because it can be changed into a prime (20010221110211) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 271475941 + ... + 271549639.

It is an arithmetic number, because the mean of its divisors is an integer number (584627645250).

Almost surely, 2^{20010221110210} is an apocalyptic number.

20010221110210 is a deficient number, since it is larger than the sum of its proper divisors (17405948185790).

20010221110210 is a wasteful number, since it uses less digits than its factorization.

20010221110210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77635.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 20010221110210 its reverse (1201112201002), we get a palindrome (21211333311212).

The spelling of 20010221110210 in words is "twenty trillion, ten billion, two hundred twenty-one million, one hundred ten thousand, two hundred ten".