20031012101 has 8 divisors (see below), whose sum is σ = 20388672000. Its totient is φ = 19675450480.

The previous prime is 20031012073. The next prime is 20031012103. The reversal of 20031012101 is 10121013002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20031012101 - 2¹⁴ = 20030995717 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20031012103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 505301 + ... + 543498.

It is an arithmetic number, because the mean of its divisors is an integer number (2548584000).

Almost surely, 2^20031012101 is an apocalyptic number.

It is an amenable number.

20031012101 is a deficient number, since it is larger than the sum of its proper divisors (357659899).

20031012101 is a wasteful number, since it uses less digits than its factorization.

20031012101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1049139.

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 20031012101 its reverse (10121013002), we get a palindrome (30152025103).

Subtracting from 20031012101 its reverse (10121013002), we obtain a palindrome (9909999099).

The spelling of 20031012101 in words is "twenty billion, thirty-one million, twelve thousand, one hundred one".