1122222011001 has 192 divisors, whose sum is σ = 1926689587200. Its totient is φ = 568518912000.

The previous prime is 1122222010999. The next prime is 1122222011033. The reversal of 1122222011001 is 1001102222211.

It is not a de Polignac number, because 1122222011001 - 2¹ = 1122222010999 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1122222011101) 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 191 ways as a sum of consecutive naturals, for example, 4141040496 + ... + 4141040766.

It is an arithmetic number, because the mean of its divisors is an integer number (10034841600).

Almost surely, 2^{1122222011001} is an apocalyptic number.

It is an amenable number.

1122222011001 is a deficient number, since it is larger than the sum of its proper divisors (804467576199).

1122222011001 is a wasteful number, since it uses less digits than its factorization.

1122222011001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 688 (or 675 counting only the distinct ones).

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

Adding to 1122222011001 its reverse (1001102222211), we get a palindrome (2123324233212).

The spelling of 1122222011001 in words is "one trillion, one hundred twenty-two billion, two hundred twenty-two million, eleven thousand, one".