222100001201 has 32 divisors (see below), whose sum is σ = 262794647808. Its totient is φ = 185813268480.

The previous prime is 222100001191. The next prime is 222100001237. The reversal of 222100001201 is 102100001222.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222100001201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222100001261) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 510125 + ... + 839301.

It is an arithmetic number, because the mean of its divisors is an integer number (8212332744).

Almost surely, 2^222100001201 is an apocalyptic number.

It is an amenable number.

222100001201 is a deficient number, since it is larger than the sum of its proper divisors (40694646607).

222100001201 is a wasteful number, since it uses less digits than its factorization.

222100001201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329321.

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

Adding to 222100001201 its reverse (102100001222), we get a palindrome (324200002423).

The spelling of 222100001201 in words is "two hundred twenty-two billion, one hundred million, one thousand, two hundred one".