222010012001 has 4 divisors (see below), whose sum is σ = 222372182292. Its totient is φ = 221647841712.

The previous prime is 222010011961. The next prime is 222010012039. The reversal of 222010012001 is 100210010222.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 94664520976 + 127345491025 = 307676^2 + 356855^2 .

It is a cyclic number.

It is not a de Polignac number, because 222010012001 - 2¹⁰ = 222010010977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222010012051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 181084226 + ... + 181085451.

It is an arithmetic number, because the mean of its divisors is an integer number (55593045573).

Almost surely, 2^222010012001 is an apocalyptic number.

It is an amenable number.

222010012001 is a deficient number, since it is larger than the sum of its proper divisors (362170291).

222010012001 is an equidigital number, since it uses as much as digits as its factorization.

222010012001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362170290.

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

Adding to 222010012001 its reverse (100210010222), we get a palindrome (322220022223).

The spelling of 222010012001 in words is "two hundred twenty-two billion, ten million, twelve thousand, one".