20214101 has 4 divisors (see below), whose sum is σ = 20515872. Its totient is φ = 19912332.

The previous prime is 20214097. The next prime is 20214109. The reversal of 20214101 is 10141202.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 10141202 = 2 ⋅5070601.

It is a cyclic number.

It is not a de Polignac number, because 20214101 - 2² = 20214097 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20214109) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 150785 + ... + 150918.

It is an arithmetic number, because the mean of its divisors is an integer number (5128968).

Almost surely, 2^20214101 is an apocalyptic number.

It is an amenable number.

20214101 is a deficient number, since it is larger than the sum of its proper divisors (301771).

20214101 is an equidigital number, since it uses as much as digits as its factorization.

20214101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 301770.

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

The square root of 20214101 is about 4496.0094528370. The cubic root of 20214101 is about 272.4069249786.

Adding to 20214101 its reverse (10141202), we get a palindrome (30355303).

The spelling of 20214101 in words is "twenty million, two hundred fourteen thousand, one hundred one".