2015213101 has 8 divisors (see below), whose sum is σ = 2209464000. Its totient is φ = 1822803840.

The previous prime is 2015213089. The next prime is 2015213119. The reversal of 2015213101 is 1013125102.

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

It is not a de Polignac number, because 2015213101 - 2¹¹ = 2015211053 is a prime.

It is a super-4 number, since 4×2015213101⁴ (a number of 38 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2015213171) 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, 458116 + ... + 462493.

It is an arithmetic number, because the mean of its divisors is an integer number (276183000).

Almost surely, 2^2015213101 is an apocalyptic number.

It is an amenable number.

2015213101 is a deficient number, since it is larger than the sum of its proper divisors (194250899).

2015213101 is a wasteful number, since it uses less digits than its factorization.

2015213101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 920819.

The product of its (nonzero) digits is 60, while the sum is 16.

The square root of 2015213101 is about 44891.1249691963. The cubic root of 2015213101 is about 1263.1075351438.

Adding to 2015213101 its reverse (1013125102), we get a palindrome (3028338203).

The spelling of 2015213101 in words is "two billion, fifteen million, two hundred thirteen thousand, one hundred one".