1122111001011 has 128 divisors (see below), whose sum is σ = 2044747579392. Its totient is φ = 528534720000.

The previous prime is 1122111001001. The next prime is 1122111001043. The reversal of 1122111001011 is 1101001112211.

It is not a de Polignac number, because 1122111001011 - 2⁹ = 1122111000499 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1122111001001) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 38504916 + ... + 38534046.

It is an arithmetic number, because the mean of its divisors is an integer number (15974590464).

Almost surely, 2^{1122111001011} is an apocalyptic number.

1122111001011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1122111001011 is a deficient number, since it is larger than the sum of its proper divisors (922636578381).

1122111001011 is a wasteful number, since it uses less digits than its factorization.

1122111001011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29393.

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 1122111001011 its reverse (1101001112211), we get a palindrome (2223112113222).

The spelling of 1122111001011 in words is "one trillion, one hundred twenty-two billion, one hundred eleven million, one thousand, eleven".