10121321024 has 14 divisors (see below), whose sum is σ = 20084496534. Its totient is φ = 5060660480.

The previous prime is 10121321017. The next prime is 10121321027. The reversal of 10121321024 is 42012312101.

It can be written as a sum of positive squares in only one way, i.e., 10113922624 + 7398400 = 100568^2 + 2720^2 .

It is a super-2 number, since 2×10121321024² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10121320993 and 10121321011.

It is not an unprimeable number, because it can be changed into a prime (10121321027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79072757 + ... + 79072884.

Almost surely, 2^10121321024 is an apocalyptic number.

It is an amenable number.

10121321024 is a deficient number, since it is larger than the sum of its proper divisors (9963175510).

10121321024 is an equidigital number, since it uses as much as digits as its factorization.

10121321024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158145653 (or 158145643 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 10121321024 its reverse (42012312101), we get a palindrome (52133633125).

The spelling of 10121321024 in words is "ten billion, one hundred twenty-one million, three hundred twenty-one thousand, twenty-four".