101115226215 has 24 divisors (see below), whose sum is σ = 175275790560. Its totient is φ = 53925228864.

The previous prime is 101115226213. The next prime is 101115226217. The reversal of 101115226215 is 512622511101.

It is a happy number.

101115226215 is a `hidden beast` number, since 1 + 0 + 1 + 1 + 15 + 22 + 621 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (101115226213) and next prime (101115226217).

It is not a de Polignac number, because 101115226215 - 2¹ = 101115226213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101115226213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 989121 + ... + 1086549.

It is an arithmetic number, because the mean of its divisors is an integer number (7303157940).

Almost surely, 2^101115226215 is an apocalyptic number.

101115226215 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

101115226215 is a deficient number, since it is larger than the sum of its proper divisors (74160564345).

101115226215 is a wasteful number, since it uses less digits than its factorization.

101115226215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120503 (or 120500 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 27.

Adding to 101115226215 its reverse (512622511101), we get a palindrome (613737737316).

The spelling of 101115226215 in words is "one hundred one billion, one hundred fifteen million, two hundred twenty-six thousand, two hundred fifteen".