10210332121 has 4 divisors (see below), whose sum is σ = 11138544144. Its totient is φ = 9282120100.

The previous prime is 10210332091. The next prime is 10210332149. The reversal of 10210332121 is 12123301201.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 10210332121 - 2⁷ = 10210331993 is a prime.

It is a super-2 number, since 2×10210332121² (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 = 10210332095 and 10210332104.

It is not an unprimeable number, because it can be changed into a prime (10210332221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 464105995 + ... + 464106016.

It is an arithmetic number, because the mean of its divisors is an integer number (2784636036).

Almost surely, 2^10210332121 is an apocalyptic number.

10210332121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10210332121 is a deficient number, since it is larger than the sum of its proper divisors (928212023).

10210332121 is an equidigital number, since it uses as much as digits as its factorization.

10210332121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 928212022.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 10210332121 its reverse (12123301201), we get a palindrome (22333633322).

The spelling of 10210332121 in words is "ten billion, two hundred ten million, three hundred thirty-two thousand, one hundred twenty-one".