222201323121 has 16 divisors (see below), whose sum is σ = 297235770048. Its totient is φ = 147650764800.

The previous prime is 222201323117. The next prime is 222201323137. The reversal of 222201323121 is 121323102222.

It is not a de Polignac number, because 222201323121 - 2² = 222201323117 is a prime.

It is not an unprimeable number, because it can be changed into a prime (222201323221) 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, 4424665 + ... + 4474601.

It is an arithmetic number, because the mean of its divisors is an integer number (18577235628).

Almost surely, 2^222201323121 is an apocalyptic number.

It is an amenable number.

222201323121 is a deficient number, since it is larger than the sum of its proper divisors (75034446927).

222201323121 is a wasteful number, since it uses less digits than its factorization.

222201323121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54752.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 222201323121 its reverse (121323102222), we get a palindrome (343524425343).

The spelling of 222201323121 in words is "two hundred twenty-two billion, two hundred one million, three hundred twenty-three thousand, one hundred twenty-one".