222001121131 has 8 divisors (see below), whose sum is σ = 229541168304. Its totient is φ = 214562282880.

The previous prime is 222001121119. The next prime is 222001121141. The reversal of 222001121131 is 131121100222.

222001121131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 222001121131 - 2¹⁷ = 222000990059 is a prime.

It is a super-2 number, since 2×222001121131² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222001121141) 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 7 ways as a sum of consecutive naturals, for example, 25297770 + ... + 25306543.

It is an arithmetic number, because the mean of its divisors is an integer number (28692646038).

Almost surely, 2^222001121131 is an apocalyptic number.

222001121131 is a deficient number, since it is larger than the sum of its proper divisors (7540047173).

222001121131 is a wasteful number, since it uses less digits than its factorization.

222001121131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50604461.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 222001121131 its reverse (131121100222), we get a palindrome (353122221353).

The spelling of 222001121131 in words is "two hundred twenty-two billion, one million, one hundred twenty-one thousand, one hundred thirty-one".