420214101 has 4 divisors (see below), whose sum is σ = 560285472. Its totient is φ = 280142732.

The previous prime is 420214073. The next prime is 420214129. The reversal of 420214101 is 101412024.

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.

It is an interprime number because it is at equal distance from previous prime (420214073) and next prime (420214129).

It is a cyclic number.

It is not a de Polignac number, because 420214101 - 2⁶ = 420214037 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420214141) 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, 70035681 + ... + 70035686.

It is an arithmetic number, because the mean of its divisors is an integer number (140071368).

Almost surely, 2^420214101 is an apocalyptic number.

It is an amenable number.

420214101 is a deficient number, since it is larger than the sum of its proper divisors (140071371).

420214101 is a wasteful number, since it uses less digits than its factorization.

420214101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140071370.

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 420214101 is about 20499.1243959346. The cubic root of 420214101 is about 749.0144690946.

Adding to 420214101 its reverse (101412024), we get a palindrome (521626125).

The spelling of 420214101 in words is "four hundred twenty million, two hundred fourteen thousand, one hundred one".