215051000201 has 4 divisors (see below), whose sum is σ = 224401043712. Its totient is φ = 205700956692.

The previous prime is 215051000137. The next prime is 215051000239. The reversal of 215051000201 is 102000150512.

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 215051000201 - 2⁶ = 215051000137 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 215051000201.

It is not an unprimeable number, because it can be changed into a prime (215051000251) 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, 4675021721 + ... + 4675021766.

It is an arithmetic number, because the mean of its divisors is an integer number (56100260928).

Almost surely, 2^215051000201 is an apocalyptic number.

It is an amenable number.

215051000201 is a deficient number, since it is larger than the sum of its proper divisors (9350043511).

215051000201 is an equidigital number, since it uses as much as digits as its factorization.

215051000201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9350043510.

The product of its (nonzero) digits is 100, while the sum is 17.

Adding to 215051000201 its reverse (102000150512), we get a palindrome (317051150713).

The spelling of 215051000201 in words is "two hundred fifteen billion, fifty-one million, two hundred one", and thus it is an aban number.