11111001022011 has 64 divisors (see below), whose sum is σ = 17105060044800. Its totient is φ = 6349173600000.

The previous prime is 11111001021907. The next prime is 11111001022067. The reversal of 11111001022011 is 11022010011111.

It is not a de Polignac number, because 11111001022011 - 2¹⁴ = 11111001005627 is a prime.

It is a super-2 number, since 2×11111001022011² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11111001022081) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 315179136 + ... + 315214386.

It is an arithmetic number, because the mean of its divisors is an integer number (267266563200).

Almost surely, 2^{11111001022011} is an apocalyptic number.

11111001022011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11111001022011 is a deficient number, since it is larger than the sum of its proper divisors (5994059022789).

11111001022011 is a wasteful number, since it uses less digits than its factorization.

11111001022011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41208.

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

Adding to 11111001022011 its reverse (11022010011111), we get a palindrome (22133011033122).

The spelling of 11111001022011 in words is "eleven trillion, one hundred eleven billion, one million, twenty-two thousand, eleven".