10212021101112 has 32 divisors (see below), whose sum is σ = 25545460246800. Its totient is φ = 3401952701184.

The previous prime is 10212021101077. The next prime is 10212021101123. The reversal of 10212021101112 is 21110112021201.

It is a happy number.

10212021101112 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 10212021101091 and 10212021101100.

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, 128355187 + ... + 128434722.

Almost surely, 2^{10212021101112} is an apocalyptic number.

10212021101112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10212021101112 is an abundant number, since it is smaller than the sum of its proper divisors (15333439145688).

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

10212021101112 is a wasteful number, since it uses less digits than its factorization.

10212021101112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256791575 (or 256791571 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 10212021101112 its reverse (21110112021201), we get a palindrome (31322133122313).

The spelling of 10212021101112 in words is "ten trillion, two hundred twelve billion, twenty-one million, one hundred one thousand, one hundred twelve".