20110211202012 has 24 divisors (see below), whose sum is σ = 48192037656336. Its totient is φ = 6522230659968.

The previous prime is 20110211202001. The next prime is 20110211202031. The reversal of 20110211202012 is 21020211201102.

It is a junction number, because it is equal to n+sod(n) for n = 20110211201982 and 20110211202000.

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, 22646633793 + ... + 22646634680.

It is an arithmetic number, because the mean of its divisors is an integer number (2008001569014).

Almost surely, 2^{20110211202012} is an apocalyptic number.

It is an amenable number.

20110211202012 is an abundant number, since it is smaller than the sum of its proper divisors (28081826454324).

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

20110211202012 is a wasteful number, since it uses less digits than its factorization.

20110211202012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45293268517 (or 45293268515 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 20110211202012 its reverse (21020211201102), we get a palindrome (41130422403114).

The spelling of 20110211202012 in words is "twenty trillion, one hundred ten billion, two hundred eleven million, two hundred two thousand, twelve".