10210111112 has 8 divisors (see below), whose sum is σ = 19143958350. Its totient is φ = 5105055552.

The previous prime is 10210111103. The next prime is 10210111117. The reversal of 10210111112 is 21111101201.

It can be written as a sum of positive squares in only one way, i.e., 7739424676 + 2470686436 = 87974^2 + 49706^2 .

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 = 10210111093 and 10210111102.

It is not an unprimeable number, because it can be changed into a prime (10210111117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 638131937 + ... + 638131952.

Almost surely, 2^10210111112 is an apocalyptic number.

It is an amenable number.

10210111112 is a deficient number, since it is larger than the sum of its proper divisors (8933847238).

10210111112 is a wasteful number, since it uses less digits than its factorization.

10210111112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1276263895 (or 1276263891 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 10210111112 its reverse (21111101201), we get a palindrome (31321212313).

The spelling of 10210111112 in words is "ten billion, two hundred ten million, one hundred eleven thousand, one hundred twelve".