214423002021 has 16 divisors (see below), whose sum is σ = 300974336000. Its totient is φ = 135411656688.

The previous prime is 214423001999. The next prime is 214423002043. The reversal of 214423002021 is 120200324412.

It is an interprime number because it is at equal distance from previous prime (214423001999) and next prime (214423002043).

It is a de Polignac number, because none of the positive numbers 2^k-214423002021 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 (214423002071) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 411870 + ... + 773616.

It is an arithmetic number, because the mean of its divisors is an integer number (18810896000).

Almost surely, 2^214423002021 is an apocalyptic number.

It is an amenable number.

214423002021 is a deficient number, since it is larger than the sum of its proper divisors (86551333979).

214423002021 is a wasteful number, since it uses less digits than its factorization.

214423002021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 372168.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 214423002021 its reverse (120200324412), we get a palindrome (334623326433).

The spelling of 214423002021 in words is "two hundred fourteen billion, four hundred twenty-three million, two thousand, twenty-one".