20110211011012 has 96 divisors (see below), whose sum is σ = 36426589768800. Its totient is φ = 9710053097472.

The previous prime is 20110211011003. The next prime is 20110211011091. The reversal of 20110211011012 is 21011011201102.

It is a happy number.

It can be written as a sum of positive squares in 16 ways, for example, as 4047878420356 + 16062332590656 = 2011934^2 + 4007784^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20110211010983 and 20110211011001.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2685296164 + ... + 2685303652.

It is an arithmetic number, because the mean of its divisors is an integer number (379443643425).

Almost surely, 2^{20110211011012} is an apocalyptic number.

It is an amenable number.

20110211011012 is a deficient number, since it is larger than the sum of its proper divisors (16316378757788).

20110211011012 is a wasteful number, since it uses less digits than its factorization.

20110211011012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8425 (or 8423 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 20110211011012 its reverse (21011011201102), we get a palindrome (41121222212114).

The spelling of 20110211011012 in words is "twenty trillion, one hundred ten billion, two hundred eleven million, eleven thousand, twelve".