10012122021 has 32 divisors (see below), whose sum is σ = 15049520640. Its totient is φ = 5868072000.

The previous prime is 10012122011. The next prime is 10012122037. The reversal of 10012122021 is 12022121001.

10012122021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10012122021 - 2⁶ = 10012121957 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10012121988 and 10012122006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10012122011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 108390 + ... + 178248.

It is an arithmetic number, because the mean of its divisors is an integer number (470297520).

Almost surely, 2^10012122021 is an apocalyptic number.

10012122021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10012122021 is a deficient number, since it is larger than the sum of its proper divisors (5037398619).

10012122021 is a wasteful number, since it uses less digits than its factorization.

10012122021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70017.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 10012122021 its reverse (12022121001), we get a palindrome (22034243022).

It can be divided in two parts, 100 and 12122021, that added together give a palindrome (12122121).

The spelling of 10012122021 in words is "ten billion, twelve million, one hundred twenty-two thousand, twenty-one".