222102101 has 8 divisors (see below), whose sum is σ = 242215680. Its totient is φ = 202421232.

The previous prime is 222102031. The next prime is 222102121. The reversal of 222102101 is 101201222.

It is a happy number.

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

It is not a de Polignac number, because 222102101 - 2¹⁸ = 221839957 is a prime.

It is a super-2 number, since 2×222102101² = 98658686537228402, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222102121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 107105 + ... + 109158.

It is an arithmetic number, because the mean of its divisors is an integer number (30276960).

Almost surely, 2^222102101 is an apocalyptic number.

It is an amenable number.

222102101 is a deficient number, since it is larger than the sum of its proper divisors (20113579).

222102101 is a wasteful number, since it uses less digits than its factorization.

222102101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216355.

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 222102101 is about 14903.0903171121. The cubic root of 222102101 is about 605.5977072336.

Adding to 222102101 its reverse (101201222), we get a palindrome (323303323).

The spelling of 222102101 in words is "two hundred twenty-two million, one hundred two thousand, one hundred one".