221234120410 has 8 divisors (see below), whose sum is σ = 398221416756. Its totient is φ = 88493648160.

The previous prime is 221234120407. The next prime is 221234120483. The reversal of 221234120410 is 14021432122.

It can be written as a sum of positive squares in 2 ways, for example, as 217348966849 + 3885153561 = 466207^2 + 62331^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11061706011 + ... + 11061706030.

Almost surely, 2^221234120410 is an apocalyptic number.

221234120410 is a deficient number, since it is larger than the sum of its proper divisors (176987296346).

221234120410 is a wasteful number, since it uses less digits than its factorization.

221234120410 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22123412048.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 221234120410 its reverse (14021432122), we get a palindrome (235255552532).

The spelling of 221234120410 in words is "two hundred twenty-one billion, two hundred thirty-four million, one hundred twenty thousand, four hundred ten".