1122001122011 has 16 divisors (see below), whose sum is σ = 1443983013888. Its totient is φ = 846083793600.

The previous prime is 1122001121977. The next prime is 1122001122049. The reversal of 1122001122011 is 1102211002211.

It is not a de Polignac number, because 1122001122011 - 2¹⁰ = 1122001120987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1122001122091) 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, 235020890 + ... + 235025663.

It is an arithmetic number, because the mean of its divisors is an integer number (90248938368).

Almost surely, 2^{1122001122011} is an apocalyptic number.

1122001122011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1122001122011 is a deficient number, since it is larger than the sum of its proper divisors (321981891877).

1122001122011 is a wasteful number, since it uses less digits than its factorization.

1122001122011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 470046602.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1122001122011 its reverse (1102211002211), we get a palindrome (2224212124222).

The spelling of 1122001122011 in words is "one trillion, one hundred twenty-two billion, one million, one hundred twenty-two thousand, eleven".