10021200001 has 16 divisors (see below), whose sum is σ = 11173204800. Its totient is φ = 8932059648.

The previous prime is 10021199989. The next prime is 10021200037. The reversal of 10021200001 is 10000212001.

It is a cyclic number.

It is not a de Polignac number, because 10021200001 - 2³¹ = 7873716353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10021200041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1522245 + ... + 1528813.

It is an arithmetic number, because the mean of its divisors is an integer number (698325300).

Almost surely, 2^10021200001 is an apocalyptic number.

It is an amenable number.

10021200001 is a deficient number, since it is larger than the sum of its proper divisors (1152004799).

10021200001 is a wasteful number, since it uses less digits than its factorization.

10021200001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11328.

The product of its (nonzero) digits is 4, while the sum is 7.

Adding to 10021200001 its reverse (10000212001), we get a palindrome (20021412002).

The spelling of 10021200001 in words is "ten billion, twenty-one million, two hundred thousand, one".