1122221201001 has 16 divisors (see below), whose sum is σ = 1503553658880. Its totient is φ = 744518895120.

The previous prime is 1122221200981. The next prime is 1122221201029. The reversal of 1122221201001 is 1001021222211.

It is not a de Polignac number, because 1122221201001 - 2⁹ = 1122221200489 is a prime.

It is a super-2 number, since 2×1122221201001² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1122221221001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5880976 + ... + 6068798.

It is an arithmetic number, because the mean of its divisors is an integer number (93972103680).

Almost surely, 2^{1122221201001} is an apocalyptic number.

It is an amenable number.

1122221201001 is a deficient number, since it is larger than the sum of its proper divisors (381332457879).

1122221201001 is a wasteful number, since it uses less digits than its factorization.

1122221201001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197476.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 1122221201001 its reverse (1001021222211), we get a palindrome (2123242423212).

The spelling of 1122221201001 in words is "one trillion, one hundred twenty-two billion, two hundred twenty-one million, two hundred one thousand, one".