222100012000001 has 12 divisors (see below), whose sum is σ = 224626787330700. Its totient is φ = 219601348251648.

The previous prime is 222100011999997. The next prime is 222100012000007. The reversal of 222100012000001 is 100000210001222.

It is a happy number.

222100012000001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 14894783109376 + 207205228890625 = 3859376^2 + 14394625^2 .

It is not a de Polignac number, because 222100012000001 - 2² = 222100011999997 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (222100012000007) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 707418065 + ... + 707731953.

It is an arithmetic number, because the mean of its divisors is an integer number (18718898944225).

Almost surely, 2^{222100012000001} is an apocalyptic number.

It is an amenable number.

222100012000001 is a deficient number, since it is larger than the sum of its proper divisors (2526775330699).

222100012000001 is an frugal number, since it uses more digits than its factorization.

222100012000001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 403396 (or 403307 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 222100012000001 its reverse (100000210001222), we get a palindrome (322100222001223).

The spelling of 222100012000001 in words is "two hundred twenty-two trillion, one hundred billion, twelve million, one", and thus it is an aban number.