101226166 has 4 divisors (see below), whose sum is σ = 151839252. Its totient is φ = 50613082.

The previous prime is 101226157. The next prime is 101226187. The reversal of 101226166 is 661622101.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 101226166.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25306540 + ... + 25306543.

It is an arithmetic number, because the mean of its divisors is an integer number (37959813).

Almost surely, 2^101226166 is an apocalyptic number.

101226166 is a deficient number, since it is larger than the sum of its proper divisors (50613086).

101226166 is an equidigital number, since it uses as much as digits as its factorization.

101226166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50613085.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 101226166 is about 10061.1215080626. The cubic root of 101226166 is about 466.0483012801.

Adding to 101226166 its reverse (661622101), we get a palindrome (762848267).

The spelling of 101226166 in words is "one hundred one million, two hundred twenty-six thousand, one hundred sixty-six".