1121223302011 has 16 divisors (see below), whose sum is σ = 1188111019680. Its totient is φ = 1054439710720.

The previous prime is 1121223301969. The next prime is 1121223302063. The reversal of 1121223302011 is 1102033221211.

It is a cyclic number.

It is not a de Polignac number, because 1121223302011 - 2¹⁹ = 1121222777723 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1121223302011.

It is not an unprimeable number, because it can be changed into a prime (1121223302411) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 168373800 + ... + 168380458.

It is an arithmetic number, because the mean of its divisors is an integer number (74256938730).

Almost surely, 2^{1121223302011} is an apocalyptic number.

1121223302011 is a deficient number, since it is larger than the sum of its proper divisors (66887717669).

1121223302011 is a wasteful number, since it uses less digits than its factorization.

1121223302011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12974.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 1121223302011 its reverse (1102033221211), we get a palindrome (2223256523222).

The spelling of 1121223302011 in words is "one trillion, one hundred twenty-one billion, two hundred twenty-three million, three hundred two thousand, eleven".