1101222012011 has 16 divisors (see below), whose sum is σ = 1220734890240. Its totient is φ = 984978830880.

The previous prime is 1101222011977. The next prime is 1101222012043. The reversal of 1101222012011 is 1102102221011.

It is not a de Polignac number, because 1101222012011 - 2¹⁸ = 1101221749867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1101222012061) 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, 290231 + ... + 1512176.

It is an arithmetic number, because the mean of its divisors is an integer number (76295930640).

Almost surely, 2^{1101222012011} is an apocalyptic number.

1101222012011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1101222012011 is a deficient number, since it is larger than the sum of its proper divisors (119512878229).

1101222012011 is a wasteful number, since it uses less digits than its factorization.

1101222012011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1803314.

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

Adding to 1101222012011 its reverse (1102102221011), we get a palindrome (2203324233022).

The spelling of 1101222012011 in words is "one trillion, one hundred one billion, two hundred twenty-two million, twelve thousand, eleven".