21032101201 has 8 divisors (see below), whose sum is σ = 21763379880. Its totient is φ = 20301224832.

The previous prime is 21032101193. The next prime is 21032101229. The reversal of 21032101201 is 10210123012.

It can be written as a sum of positive squares in 4 ways, for example, as 140625 + 21031960576 = 375^2 + 145024^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 21032101201 - 2³ = 21032101193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21032101261) 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 7 ways as a sum of consecutive naturals, for example, 7791 + ... + 205243.

It is an arithmetic number, because the mean of its divisors is an integer number (2720422485).

Almost surely, 2^21032101201 is an apocalyptic number.

It is an amenable number.

21032101201 is a deficient number, since it is larger than the sum of its proper divisors (731278679).

21032101201 is a wasteful number, since it uses less digits than its factorization.

21032101201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201155.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 21032101201 its reverse (10210123012), we get a palindrome (31242224213).

The spelling of 21032101201 in words is "twenty-one billion, thirty-two million, one hundred one thousand, two hundred one".