214542220220421 has 16 divisors (see below), whose sum is σ = 287152913808000. Its totient is φ = 142479959738688.

The previous prime is 214542220220411. The next prime is 214542220220431. The reversal of 214542220220421 is 124022022245412.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (214542220220411) and next prime (214542220220431).

It is not a de Polignac number, because 214542220220421 - 2⁵ = 214542220220389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214542220220411) 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, 8394346 + ... + 22350603.

It is an arithmetic number, because the mean of its divisors is an integer number (17947057113000).

Almost surely, 2^{214542220220421} is an apocalyptic number.

It is an amenable number.

214542220220421 is a deficient number, since it is larger than the sum of its proper divisors (72610693587579).

214542220220421 is a wasteful number, since it uses less digits than its factorization.

214542220220421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30753868.

The product of its (nonzero) digits is 40960, while the sum is 33.

Adding to 214542220220421 its reverse (124022022245412), we get a palindrome (338564242465833).

The spelling of 214542220220421 in words is "two hundred fourteen trillion, five hundred forty-two billion, two hundred twenty million, two hundred twenty thousand, four hundred twenty-one".