101172216 has 32 divisors (see below), whose sum is σ = 263928960. Its totient is φ = 32257632.

The previous prime is 101172187. The next prime is 101172223. The reversal of 101172216 is 612271101.

It is a happy number.

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 101172192 and 101172201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91090 + ... + 92193.

It is an arithmetic number, because the mean of its divisors is an integer number (8247780).

Almost surely, 2^101172216 is an apocalyptic number.

It is an amenable number.

101172216 is an abundant number, since it is smaller than the sum of its proper divisors (162756744).

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

101172216 is a wasteful number, since it uses less digits than its factorization.

101172216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183315 (or 183311 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 21.

The square root of 101172216 is about 10058.4400380974. The cubic root of 101172216 is about 465.9654907611.

The spelling of 101172216 in words is "one hundred one million, one hundred seventy-two thousand, two hundred sixteen".