101222115 has 8 divisors (see below), whose sum is σ = 161955408. Its totient is φ = 53985120.

The previous prime is 101222113. The next prime is 101222137. The reversal of 101222115 is 511222101.

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

It is not a de Polignac number, because 101222115 - 2¹ = 101222113 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15), and also a Moran number because the ratio is a prime number: 6748141 = 101222115 / (1 + 0 + 1 + 2 + 2 + 2 + 1 + 1 + 5).

It is a junction number, because it is equal to n+sod(n) for n = 101222094 and 101222103.

It is not an unprimeable number, because it can be changed into a prime (101222113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3374056 + ... + 3374085.

It is an arithmetic number, because the mean of its divisors is an integer number (20244426).

Almost surely, 2^101222115 is an apocalyptic number.

101222115 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

101222115 is a deficient number, since it is larger than the sum of its proper divisors (60733293).

101222115 is an equidigital number, since it uses as much as digits as its factorization.

101222115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6748149.

The product of its (nonzero) digits is 40, while the sum is 15.

The square root of 101222115 is about 10060.9201865436. The cubic root of 101222115 is about 466.0420842220.

Adding to 101222115 its reverse (511222101), we get a palindrome (612444216).

The spelling of 101222115 in words is "one hundred one million, two hundred twenty-two thousand, one hundred fifteen".