10201020112 has 10 divisors (see below), whose sum is σ = 19764476498. Its totient is φ = 5100510048.

The previous prime is 10201020103. The next prime is 10201020113. The reversal of 10201020112 is 21102010201.

It can be written as a sum of positive squares in only one way, i.e., 8836752016 + 1364268096 = 94004^2 + 36936^2 .

It is a super-2 number, since 2×10201020112² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10201020113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 318781863 + ... + 318781894.

Almost surely, 2^10201020112 is an apocalyptic number.

It is an amenable number.

10201020112 is a deficient number, since it is larger than the sum of its proper divisors (9563456386).

10201020112 is an equidigital number, since it uses as much as digits as its factorization.

10201020112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 637563765 (or 637563759 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 10201020112 its reverse (21102010201), we get a palindrome (31303030313).

The spelling of 10201020112 in words is "ten billion, two hundred one million, twenty thousand, one hundred twelve".