222120200001 has 32 divisors (see below), whose sum is σ = 342238076928. Its totient is φ = 125515454400.

The previous prime is 222120199981. The next prime is 222120200009. The reversal of 222120200001 is 100002021222.

It is not a de Polignac number, because 222120200001 - 2¹⁴ = 222120183617 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 222120200001.

It is not an unprimeable number, because it can be changed into a prime (222120200009) 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, 1681960 + ... + 1809206.

It is an arithmetic number, because the mean of its divisors is an integer number (10694939904).

Almost surely, 2^222120200001 is an apocalyptic number.

222120200001 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

222120200001 is a deficient number, since it is larger than the sum of its proper divisors (120117876927).

222120200001 is a wasteful number, since it uses less digits than its factorization.

222120200001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128181.

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 222120200001 its reverse (100002021222), we get a palindrome (322122221223).

The spelling of 222120200001 in words is "two hundred twenty-two billion, one hundred twenty million, two hundred thousand, one".