20210010111112 has 8 divisors (see below), whose sum is σ = 37893768958350. Its totient is φ = 10105005055552.

The previous prime is 20210010111103. The next prime is 20210010111139. The reversal of 20210010111112 is 21111101001202.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 15535532612196 + 4674477498916 = 3941514^2 + 2162054^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 20210010111092 and 20210010111101.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1263125631937 + ... + 1263125631952.

Almost surely, 2^{20210010111112} is an apocalyptic number.

It is an amenable number.

20210010111112 is a deficient number, since it is larger than the sum of its proper divisors (17683758847238).

20210010111112 is a wasteful number, since it uses less digits than its factorization.

20210010111112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2526251263895 (or 2526251263891 counting only the distinct ones).

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

Adding to 20210010111112 its reverse (21111101001202), we get a palindrome (41321111112314).

The spelling of 20210010111112 in words is "twenty trillion, two hundred ten billion, ten million, one hundred eleven thousand, one hundred twelve".