222135553121 has 4 divisors (see below), whose sum is σ = 231793620672. Its totient is φ = 212477485572.

The previous prime is 222135553109. The next prime is 222135553127. The reversal of 222135553121 is 121355531222.

222135553121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 222135553121 - 2³⁰ = 221061811297 is a prime.

It is a super-2 number, since 2×222135553121² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (222135553127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4829033741 + ... + 4829033786.

It is an arithmetic number, because the mean of its divisors is an integer number (57948405168).

Almost surely, 2^222135553121 is an apocalyptic number.

It is an amenable number.

222135553121 is a deficient number, since it is larger than the sum of its proper divisors (9658067551).

222135553121 is an equidigital number, since it uses as much as digits as its factorization.

222135553121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9658067550.

The product of its digits is 18000, while the sum is 32.

The spelling of 222135553121 in words is "two hundred twenty-two billion, one hundred thirty-five million, five hundred fifty-three thousand, one hundred twenty-one".