10121321030 has 32 divisors (see below), whose sum is σ = 18874965600. Its totient is φ = 3903040512.

The previous prime is 10121321027. The next prime is 10121321053. The reversal of 10121321030 is 3012312101.

It is a super-2 number, since 2×10121321030² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 10121320996 and 10121321014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 169241 + ... + 221099.

It is an arithmetic number, because the mean of its divisors is an integer number (589842675).

Almost surely, 2^10121321030 is an apocalyptic number.

10121321030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10121321030 is a deficient number, since it is larger than the sum of its proper divisors (8753644570).

10121321030 is a wasteful number, since it uses less digits than its factorization.

10121321030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52568.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 10121321030 its reverse (3012312101), we get a palindrome (13133633131).

The spelling of 10121321030 in words is "ten billion, one hundred twenty-one million, three hundred twenty-one thousand, thirty".