201515650122 has 8 divisors (see below), whose sum is σ = 403031300256. Its totient is φ = 67171883372.

The previous prime is 201515650099. The next prime is 201515650123. The reversal of 201515650122 is 221056515102.

201515650122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

201515650122 is an admirable number.

It is a super-2 number, since 2×201515650122² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 201515650122.

It is not an unprimeable number, because it can be changed into a prime (201515650123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16792970838 + ... + 16792970849.

It is an arithmetic number, because the mean of its divisors is an integer number (50378912532).

Almost surely, 2^201515650122 is an apocalyptic number.

201515650122 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

201515650122 is a wasteful number, since it uses less digits than its factorization.

201515650122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33585941692.

The product of its (nonzero) digits is 6000, while the sum is 30.

The spelling of 201515650122 in words is "two hundred one billion, five hundred fifteen million, six hundred fifty thousand, one hundred twenty-two".