1112211022011 has 16 divisors (see below), whose sum is σ = 1548336052224. Its totient is φ = 708818004224.

The previous prime is 1112211022001. The next prime is 1112211022099. The reversal of 1112211022011 is 1102201122111.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1112211022011 - 2¹³ = 1112211013819 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1112211022001) 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, 4632171 + ... + 4866356.

It is an arithmetic number, because the mean of its divisors is an integer number (96771003264).

Almost surely, 2^{1112211022011} is an apocalyptic number.

1112211022011 is a deficient number, since it is larger than the sum of its proper divisors (436125030213).

1112211022011 is a wasteful number, since it uses less digits than its factorization.

1112211022011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9500250.

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

Adding to 1112211022011 its reverse (1102201122111), we get a palindrome (2214412144122).

The spelling of 1112211022011 in words is "one trillion, one hundred twelve billion, two hundred eleven million, twenty-two thousand, eleven".