10020112101 has 16 divisors (see below), whose sum is σ = 14910014400. Its totient is φ = 6650643024.

The previous prime is 10020112097. The next prime is 10020112111. The reversal of 10020112101 is 10121102001.

It is a happy number.

It is not a de Polignac number, because 10020112101 - 2² = 10020112097 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10020112111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 811306 + ... + 823563.

It is an arithmetic number, because the mean of its divisors is an integer number (931875900).

Almost surely, 2^10020112101 is an apocalyptic number.

It is an amenable number.

10020112101 is a deficient number, since it is larger than the sum of its proper divisors (4889902299).

10020112101 is a wasteful number, since it uses less digits than its factorization.

10020112101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1635105 (or 1635099 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 10020112101 its reverse (10121102001), we get a palindrome (20141214102).

The spelling of 10020112101 in words is "ten billion, twenty million, one hundred twelve thousand, one hundred one".