20110211110212 has 24 divisors (see below), whose sum is σ = 46924463102496. Its totient is φ = 6703312677888.

The previous prime is 20110211110207. The next prime is 20110211110271. The reversal of 20110211110212 is 21201111201102.

It is a happy number.

It is a super-2 number, since 2×20110211110212² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20110211110191 and 20110211110200.

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, 10454653 + ... + 12227844.

It is an arithmetic number, because the mean of its divisors is an integer number (1955185962604).

Almost surely, 2^{20110211110212} is an apocalyptic number.

It is an amenable number.

20110211110212 is an abundant number, since it is smaller than the sum of its proper divisors (26814251992284).

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

20110211110212 is a wasteful number, since it uses less digits than its factorization.

20110211110212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22756387 (or 22756385 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 20110211110212 its reverse (21201111201102), we get a palindrome (41311322311314).

The spelling of 20110211110212 in words is "twenty trillion, one hundred ten billion, two hundred eleven million, one hundred ten thousand, two hundred twelve".