20110102210002 has 32 divisors (see below), whose sum is σ = 47208270828672. Its totient is φ = 5590453123584.

The previous prime is 20110102210001. The next prime is 20110102210019. The reversal of 20110102210002 is 20001220101102.

It is a self number, because there is not a number n which added to its sum of digits gives 20110102210002.

It is not an unprimeable number, because it can be changed into a prime (20110102210001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6470430303 + ... + 6470433410.

It is an arithmetic number, because the mean of its divisors is an integer number (1475258463396).

Almost surely, 2^{20110102210002} is an apocalyptic number.

20110102210002 is an abundant number, since it is smaller than the sum of its proper divisors (27098168618670).

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

20110102210002 is a wasteful number, since it uses less digits than its factorization.

20110102210002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12940863762.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 20110102210002 its reverse (20001220101102), we get a palindrome (40111322311104).

The spelling of 20110102210002 in words is "twenty trillion, one hundred ten billion, one hundred two million, two hundred ten thousand, two".