10021011234 has 64 divisors (see below), whose sum is σ = 21856195200. Its totient is φ = 3044708352.

The previous prime is 10021011227. The next prime is 10021011281. The reversal of 10021011234 is 43211012001.

10021011234 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

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, 2090112 + ... + 2094900.

It is an arithmetic number, because the mean of its divisors is an integer number (341503050).

Almost surely, 2^10021011234 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10021011234, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10928097600).

10021011234 is an abundant number, since it is smaller than the sum of its proper divisors (11835183966).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10021011234 is a wasteful number, since it uses less digits than its factorization.

10021011234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5139.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 10021011234 its reverse (43211012001), we get a palindrome (53232023235).

The spelling of 10021011234 in words is "ten billion, twenty-one million, eleven thousand, two hundred thirty-four".