1123221301011 has 12 divisors (see below), whose sum is σ = 1649027994640. Its totient is φ = 736538557680.

The previous prime is 1123221300959. The next prime is 1123221301031. The reversal of 1123221301011 is 1101031223211.

1123221301011 is a `hidden beast` number, since 112 + 322 + 130 + 101 + 1 = 666.

It is not a de Polignac number, because 1123221301011 - 2⁶ = 1123221300947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1123221301031) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1022969671 + ... + 1022970768.

Almost surely, 2^{1123221301011} is an apocalyptic number.

1123221301011 is a deficient number, since it is larger than the sum of its proper divisors (525806693629).

1123221301011 is a wasteful number, since it uses less digits than its factorization.

1123221301011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2045940506 (or 2045940503 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 1123221301011 its reverse (1101031223211), we get a palindrome (2224252524222).

The spelling of 1123221301011 in words is "one trillion, one hundred twenty-three billion, two hundred twenty-one million, three hundred one thousand, eleven".