201150710021 has 4 divisors (see below), whose sum is σ = 201502988544. Its totient is φ = 200798431500.

The previous prime is 201150709999. The next prime is 201150710029. The reversal of 201150710021 is 120017051102.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 201150710021 - 2¹⁴ = 201150693637 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 201150709975 and 201150710002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201150710029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 176138405 + ... + 176139546.

It is an arithmetic number, because the mean of its divisors is an integer number (50375747136).

Almost surely, 2^201150710021 is an apocalyptic number.

It is an amenable number.

201150710021 is a deficient number, since it is larger than the sum of its proper divisors (352278523).

201150710021 is an equidigital number, since it uses as much as digits as its factorization.

201150710021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 352278522.

The product of its (nonzero) digits is 140, while the sum is 20.

Adding to 201150710021 its reverse (120017051102), we get a palindrome (321167761123).

The spelling of 201150710021 in words is "two hundred one billion, one hundred fifty million, seven hundred ten thousand, twenty-one".