1101222012111 has 32 divisors (see below), whose sum is σ = 1664571552000. Its totient is φ = 641966923008.

The previous prime is 1101222012109. The next prime is 1101222012167. The reversal of 1101222012111 is 1112102221011.

It is a happy number.

It is not a de Polignac number, because 1101222012111 - 2¹ = 1101222012109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1101222012101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14588955 + ... + 14664243.

It is an arithmetic number, because the mean of its divisors is an integer number (52017861000).

Almost surely, 2^{1101222012111} is an apocalyptic number.

1101222012111 is a deficient number, since it is larger than the sum of its proper divisors (563349539889).

1101222012111 is a wasteful number, since it uses less digits than its factorization.

1101222012111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95063.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 1101222012111 its reverse (1112102221011), we get a palindrome (2213324233122).

The spelling of 1101222012111 in words is "one trillion, one hundred one billion, two hundred twenty-two million, twelve thousand, one hundred eleven".