222012112001 has 8 divisors (see below), whose sum is σ = 235269354600. Its totient is φ = 209128312960.

The previous prime is 222012111991. The next prime is 222012112031. The reversal of 222012112001 is 100211210222.

It can be written as a sum of positive squares in 4 ways, for example, as 7920822001 + 214091290000 = 88999^2 + 462700^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 222012112001 - 2¹⁰ = 222012110977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222012112031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93359666 + ... + 93362043.

It is an arithmetic number, because the mean of its divisors is an integer number (29408669325).

Almost surely, 2^222012112001 is an apocalyptic number.

It is an amenable number.

222012112001 is a deficient number, since it is larger than the sum of its proper divisors (13257242599).

222012112001 is a wasteful number, since it uses less digits than its factorization.

222012112001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186721779.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 222012112001 its reverse (100211210222), we get a palindrome (322223322223).

The spelling of 222012112001 in words is "two hundred twenty-two billion, twelve million, one hundred twelve thousand, one".