214101021 has 8 divisors (see below), whose sum is σ = 285539904. Its totient is φ = 142698080.

The previous prime is 214101011. The next prime is 214101023. The reversal of 214101021 is 120101412.

It is a happy number.

214101021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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-214101021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 214100988 and 214101006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214101023) 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, 11761 + ... + 23801.

It is an arithmetic number, because the mean of its divisors is an integer number (35692488).

Almost surely, 2^214101021 is an apocalyptic number.

It is an amenable number.

214101021 is a deficient number, since it is larger than the sum of its proper divisors (71438883).

214101021 is a wasteful number, since it uses less digits than its factorization.

214101021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17971.

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 214101021 is about 14632.1912576347. The cubic root of 214101021 is about 598.2365080159.

Adding to 214101021 its reverse (120101412), we get a palindrome (334202433).

The spelling of 214101021 in words is "two hundred fourteen million, one hundred one thousand, twenty-one".