10112021001 has 48 divisors (see below), whose sum is σ = 15785902080. Its totient is φ = 6221735520.

The previous prime is 10112020993. The next prime is 10112021041. The reversal of 10112021001 is 10012021101.

It is a happy number.

It is not a de Polignac number, because 10112021001 - 2³ = 10112020993 is a prime.

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

It is not an unprimeable number, because it can be changed into a prime (10112021041) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 683440 + ... + 698078.

It is an arithmetic number, because the mean of its divisors is an integer number (328872960).

Almost surely, 2^10112021001 is an apocalyptic number.

It is an amenable number.

10112021001 is a deficient number, since it is larger than the sum of its proper divisors (5673881079).

10112021001 is a wasteful number, since it uses less digits than its factorization.

10112021001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14786 (or 14783 counting only the distinct ones).

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

Adding to 10112021001 its reverse (10012021101), we get a palindrome (20124042102).

The spelling of 10112021001 in words is "ten billion, one hundred twelve million, twenty-one thousand, one".