222312013202121 has 32 divisors (see below), whose sum is σ = 303267887733888. Its totient is φ = 144828845345280.

The previous prime is 222312013202101. The next prime is 222312013202137. The reversal of 222312013202121 is 121202310213222.

It is not a de Polignac number, because 222312013202121 - 2⁶ = 222312013202057 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 222312013202091 and 222312013202100.

It is not an unprimeable number, because it can be changed into a prime (222312013202101) 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 31 ways as a sum of consecutive naturals, for example, 2314110 + ... + 21212711.

It is an arithmetic number, because the mean of its divisors is an integer number (9477121491684).

Almost surely, 2^{222312013202121} is an apocalyptic number.

It is an amenable number.

222312013202121 is a deficient number, since it is larger than the sum of its proper divisors (80955874531767).

222312013202121 is a wasteful number, since it uses less digits than its factorization.

222312013202121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23527321.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 222312013202121 its reverse (121202310213222), we get a palindrome (343514323415343).

The spelling of 222312013202121 in words is "two hundred twenty-two trillion, three hundred twelve billion, thirteen million, two hundred two thousand, one hundred twenty-one".