10020201123 has 8 divisors (see below), whose sum is σ = 13363483408. Its totient is φ = 6678526464.

The previous prime is 10020201077. The next prime is 10020201161. The reversal of 10020201123 is 32110202001.

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

It is a de Polignac number, because none of the positive numbers 2^k-10020201123 is a prime.

It is a super-2 number, since 2×10020201123² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10020201099 and 10020201108.

It is not an unprimeable number, because it can be changed into a prime (10020201193) 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, 387286 + ... + 412347.

It is an arithmetic number, because the mean of its divisors is an integer number (1670435426).

Almost surely, 2^10020201123 is an apocalyptic number.

10020201123 is a deficient number, since it is larger than the sum of its proper divisors (3343282285).

10020201123 is an equidigital number, since it uses as much as digits as its factorization.

10020201123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 803813.

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 10020201123 its reverse (32110202001), we get a palindrome (42130403124).

The spelling of 10020201123 in words is "ten billion, twenty million, two hundred one thousand, one hundred twenty-three".