10021322129 has 32 divisors (see below), whose sum is σ = 13363257600. Its totient is φ = 7288952832.

The previous prime is 10021322083. The next prime is 10021322137. The reversal of 10021322129 is 92122312001.

It is a happy number.

It is not a de Polignac number, because 10021322129 - 2³² = 5726354833 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10021322149) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8804 + ... + 141845.

It is an arithmetic number, because the mean of its divisors is an integer number (417601800).

Almost surely, 2^10021322129 is an apocalyptic number.

It is an amenable number.

10021322129 is a deficient number, since it is larger than the sum of its proper divisors (3341935471).

10021322129 is a wasteful number, since it uses less digits than its factorization.

10021322129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150729.

The product of its (nonzero) digits is 432, while the sum is 23.

The spelling of 10021322129 in words is "ten billion, twenty-one million, three hundred twenty-two thousand, one hundred twenty-nine".