1122222201001 has 8 divisors (see below), whose sum is σ = 1236363614208. Its totient is φ = 1010100990000.

The previous prime is 1122222200987. The next prime is 1122222201013. The reversal of 1122222201001 is 1001022222211.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1122222201001 - 2⁵ = 1122222200969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1122222201031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 505049385 + ... + 505051606.

It is an arithmetic number, because the mean of its divisors is an integer number (154545451776).

Almost surely, 2^{1122222201001} is an apocalyptic number.

1122222201001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1122222201001 is a deficient number, since it is larger than the sum of its proper divisors (114141413207).

1122222201001 is a wasteful number, since it uses less digits than its factorization.

1122222201001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1010101103.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 1122222201001 its reverse (1001022222211), we get a palindrome (2123244423212).

The spelling of 1122222201001 in words is "one trillion, one hundred twenty-two billion, two hundred twenty-two million, two hundred one thousand, one".