20001210210110 has 16 divisors (see below), whose sum is σ = 36406697238000. Its totient is φ = 7910591004096.

The previous prime is 20001210210061. The next prime is 20001210210133. The reversal of 20001210210110 is 1101201210002.

It is a junction number, because it is equal to n+sod(n) for n = 20001210210091 and 20001210210100.

It is a congruent 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, 11236634060 + ... + 11236635839.

It is an arithmetic number, because the mean of its divisors is an integer number (2275418577375).

Almost surely, 2^{20001210210110} is an apocalyptic number.

20001210210110 is a deficient number, since it is larger than the sum of its proper divisors (16405487027890).

20001210210110 is a wasteful number, since it uses less digits than its factorization.

20001210210110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22473269995.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 20001210210110 its reverse (1101201210002), we get a palindrome (21102411420112).

The spelling of 20001210210110 in words is "twenty trillion, one billion, two hundred ten million, two hundred ten thousand, one hundred ten".