20110210100212 has 12 divisors (see below), whose sum is σ = 35194436631396. Its totient is φ = 10054656776960.

The previous prime is 20110210100131. The next prime is 20110210100231. The reversal of 20110210100212 is 21200101201102.

It can be written as a sum of positive squares in 2 ways, for example, as 18403722481936 + 1706487618276 = 4289956^2 + 1306326^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20110210100192 and 20110210100201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 111967339 + ... + 112146802.

It is an arithmetic number, because the mean of its divisors is an integer number (2932869719283).

Almost surely, 2^{20110210100212} is an apocalyptic number.

It is an amenable number.

20110210100212 is a deficient number, since it is larger than the sum of its proper divisors (15084226531184).

20110210100212 is a wasteful number, since it uses less digits than its factorization.

20110210100212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224136578 (or 224136576 counting only the distinct ones).

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

Adding to 20110210100212 its reverse (21200101201102), we get a palindrome (41310311301314).

The spelling of 20110210100212 in words is "twenty trillion, one hundred ten billion, two hundred ten million, one hundred thousand, two hundred twelve".