20110101120210 has 16 divisors (see below), whose sum is σ = 48264242688576. Its totient is φ = 5362693632048.

The previous prime is 20110101120163. The next prime is 20110101120217. The reversal of 20110101120210 is 1202110101102.

It is not an unprimeable number, because it can be changed into a prime (20110101120217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 335168351974 + ... + 335168352033.

It is an arithmetic number, because the mean of its divisors is an integer number (3016515168036).

Almost surely, 2^{20110101120210} is an apocalyptic number.

20110101120210 is an abundant number, since it is smaller than the sum of its proper divisors (28154141568366).

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

20110101120210 is a wasteful number, since it uses less digits than its factorization.

20110101120210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 670336704017.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 20110101120210 its reverse (1202110101102), we get a palindrome (21312211221312).

The spelling of 20110101120210 in words is "twenty trillion, one hundred ten billion, one hundred one million, one hundred twenty thousand, two hundred ten".