101100222 has 12 divisors (see below), whose sum is σ = 219050520. Its totient is φ = 33700068.

The previous prime is 101100211. The next prime is 101100227. The reversal of 101100222 is 222001101.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101100227) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2808322 + ... + 2808357.

It is an arithmetic number, because the mean of its divisors is an integer number (18254210).

Almost surely, 2^101100222 is an apocalyptic number.

101100222 is an abundant number, since it is smaller than the sum of its proper divisors (117950298).

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

101100222 is a wasteful number, since it uses less digits than its factorization.

101100222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5616687 (or 5616684 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

The square root of 101100222 is about 10054.8606156426. The cubic root of 101100222 is about 465.8549377481.

Adding to 101100222 its reverse (222001101), we get a palindrome (323101323).

The spelling of 101100222 in words is "one hundred one million, one hundred thousand, two hundred twenty-two".