222134213133421 has 16 divisors (see below), whose sum is σ = 236513171801088. Its totient is φ = 207901183852800.

The previous prime is 222134213133397. The next prime is 222134213133457. The reversal of 222134213133421 is 124331312431222.

It is a cyclic number.

It is not a de Polignac number, because 222134213133421 - 2⁵ = 222134213133389 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 (222134213133821) 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, 55237476 + ... + 59122306.

It is an arithmetic number, because the mean of its divisors is an integer number (14782073237568).

Almost surely, 2^{222134213133421} is an apocalyptic number.

It is an amenable number.

222134213133421 is a deficient number, since it is larger than the sum of its proper divisors (14378958667667).

222134213133421 is a wasteful number, since it uses less digits than its factorization.

222134213133421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3903612.

The product of its digits is 41472, while the sum is 34.

Adding to 222134213133421 its reverse (124331312431222), we get a palindrome (346465525564643).

The spelling of 222134213133421 in words is "two hundred twenty-two trillion, one hundred thirty-four billion, two hundred thirteen million, one hundred thirty-three thousand, four hundred twenty-one".