222142401204001 has 4 divisors (see below), whose sum is σ = 222172546740100. Its totient is φ = 222112255667904.

The previous prime is 222142401203981. The next prime is 222142401204019. The reversal of 222142401204001 is 100402104241222.

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 110114486667025 + 112027914536976 = 10493545^2 + 10584324^2 .

It is a cyclic number.

It is not a de Polignac number, because 222142401204001 - 2²⁷ = 222142266986273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222142401204041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15072756996 + ... + 15072771733.

It is an arithmetic number, because the mean of its divisors is an integer number (55543136685025).

Almost surely, 2^{222142401204001} is an apocalyptic number.

It is an amenable number.

222142401204001 is a deficient number, since it is larger than the sum of its proper divisors (30145536099).

222142401204001 is an equidigital number, since it uses as much as digits as its factorization.

222142401204001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30145536098.

The product of its (nonzero) digits is 2048, while the sum is 25.

Adding to 222142401204001 its reverse (100402104241222), we get a palindrome (322544505445223).

The spelling of 222142401204001 in words is "two hundred twenty-two trillion, one hundred forty-two billion, four hundred one million, two hundred four thousand, one".