10112021012 has 12 divisors (see below), whose sum is σ = 17705417940. Its totient is φ = 5053330176.

The previous prime is 10112020993. The next prime is 10112021041. The reversal of 10112021012 is 21012021101.

It can be written as a sum of positive squares in 2 ways, for example, as 8022068356 + 2089952656 = 89566^2 + 45716^2 .

It is a junction number, because it is equal to n+sod(n) for n = 10112020984 and 10112021002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 661583 + ... + 676694.

It is an arithmetic number, because the mean of its divisors is an integer number (1475451495).

Almost surely, 2^10112021012 is an apocalyptic number.

It is an amenable number.

10112021012 is a deficient number, since it is larger than the sum of its proper divisors (7593396928).

10112021012 is a wasteful number, since it uses less digits than its factorization.

10112021012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1340170 (or 1340168 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 10112021012 its reverse (21012021101), we get a palindrome (31124042113).

The spelling of 10112021012 in words is "ten billion, one hundred twelve million, twenty-one thousand, twelve".