222012001001 has 8 divisors (see below), whose sum is σ = 254408240064. Its totient is φ = 189785821680.

The previous prime is 222012000997. The next prime is 222012001027. The reversal of 222012001001 is 100100210222.

It is a happy number.

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

It is not a de Polignac number, because 222012001001 - 2² = 222012000997 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222012001201) 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, 42512135 + ... + 42517356.

It is an arithmetic number, because the mean of its divisors is an integer number (31801030008).

Almost surely, 2^222012001001 is an apocalyptic number.

It is an amenable number.

222012001001 is a deficient number, since it is larger than the sum of its proper divisors (32396239063).

222012001001 is an equidigital number, since it uses as much as digits as its factorization.

222012001001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85029871.

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

Adding to 222012001001 its reverse (100100210222), we get a palindrome (322112211223).

It can be divided in two parts, 22201 and 2001001, that added together give a palindrome (2023202).

The spelling of 222012001001 in words is "two hundred twenty-two billion, twelve million, one thousand, one".