10210434021 has 24 divisors (see below), whose sum is σ = 15301488384. Its totient is φ = 6803909280.

The previous prime is 10210434011. The next prime is 10210434023. The reversal of 10210434021 is 12043401201.

10210434021 is a `hidden beast` number, since 1 + 0 + 210 + 434 + 0 + 21 = 666.

It is not a de Polignac number, because 10210434021 - 2⁶ = 10210433957 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10210433985 and 10210434003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10210434023) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 621505 + ... + 637721.

It is an arithmetic number, because the mean of its divisors is an integer number (637562016).

Almost surely, 2^10210434021 is an apocalyptic number.

It is an amenable number.

10210434021 is a deficient number, since it is larger than the sum of its proper divisors (5091054363).

10210434021 is an equidigital number, since it uses as much as digits as its factorization.

10210434021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18823 (or 18811 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 10210434021 its reverse (12043401201), we get a palindrome (22253835222).

The spelling of 10210434021 in words is "ten billion, two hundred ten million, four hundred thirty-four thousand, twenty-one".