214221101 has 8 divisors (see below), whose sum is σ = 217912800. Its totient is φ = 210560400.

The previous prime is 214221089. The next prime is 214221107. The reversal of 214221101 is 101122412.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-214221101 is a prime.

It is a super-2 number, since 2×214221101² = 91781360227304402, 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 (214221107) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6410 + ... + 21668.

It is an arithmetic number, because the mean of its divisors is an integer number (27239100).

Almost surely, 2^214221101 is an apocalyptic number.

It is an amenable number.

214221101 is a deficient number, since it is larger than the sum of its proper divisors (3691699).

214221101 is a wasteful number, since it uses less digits than its factorization.

214221101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15499.

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 214221101 is about 14636.2939639787. The cubic root of 214221101 is about 598.3483287719.

Adding to 214221101 its reverse (101122412), we get a palindrome (315343513).

The spelling of 214221101 in words is "two hundred fourteen million, two hundred twenty-one thousand, one hundred one".