201152305021 has 8 divisors (see below), whose sum is σ = 206463310200. Its totient is φ = 195860578560.

The previous prime is 201152304989. The next prime is 201152305033. The reversal of 201152305021 is 120503251102.

It can be written as a sum of positive squares in 4 ways, for example, as 52160164996 + 148992140025 = 228386^2 + 385995^2 .

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 201152305021 - 2⁵ = 201152304989 is a prime.

It is a super-2 number, since 2×201152305021² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 201152304983 and 201152305001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201152305091) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4798536 + ... + 4840273.

It is an arithmetic number, because the mean of its divisors is an integer number (25807913775).

Almost surely, 2^201152305021 is an apocalyptic number.

It is an amenable number.

201152305021 is a deficient number, since it is larger than the sum of its proper divisors (5311005179).

201152305021 is an equidigital number, since it uses as much as digits as its factorization.

201152305021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9639359.

The product of its (nonzero) digits is 600, while the sum is 22.

Adding to 201152305021 its reverse (120503251102), we get a palindrome (321655556123).

The spelling of 201152305021 in words is "two hundred one billion, one hundred fifty-two million, three hundred five thousand, twenty-one".