221412510223211 has 8 divisors (see below), whose sum is σ = 221437530612144. Its totient is φ = 221387491064160.

The previous prime is 221412510223171. The next prime is 221412510223249. The reversal of 221412510223211 is 112322015214122.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 221412510223211 - 2³⁰ = 221411436481387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (221412510220211) 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, 386888900 + ... + 387460766.

It is an arithmetic number, because the mean of its divisors is an integer number (27679691326518).

Almost surely, 2^{221412510223211} is an apocalyptic number.

221412510223211 is a deficient number, since it is larger than the sum of its proper divisors (25020388933).

221412510223211 is a wasteful number, since it uses less digits than its factorization.

221412510223211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 614941.

The product of its (nonzero) digits is 3840, while the sum is 29.

Adding to 221412510223211 its reverse (112322015214122), we get a palindrome (333734525437333).

The spelling of 221412510223211 in words is "two hundred twenty-one trillion, four hundred twelve billion, five hundred ten million, two hundred twenty-three thousand, two hundred eleven".