111120022011 has 32 divisors (see below), whose sum is σ = 157597697088. Its totient is φ = 69402009600.

The previous prime is 111120021973. The next prime is 111120022019. The reversal of 111120022011 is 110220021111.

It is not a de Polignac number, because 111120022011 - 2¹³ = 111120013819 is a prime.

It is not an unprimeable number, because it can be changed into a prime (111120022019) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11218161 + ... + 11228061.

It is an arithmetic number, because the mean of its divisors is an integer number (4924928034).

Almost surely, 2^111120022011 is an apocalyptic number.

111120022011 is a deficient number, since it is larger than the sum of its proper divisors (46477675077).

111120022011 is a wasteful number, since it uses less digits than its factorization.

111120022011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10911.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 111120022011 its reverse (110220021111), we get a palindrome (221340043122).

The spelling of 111120022011 in words is "one hundred eleven billion, one hundred twenty million, twenty-two thousand, eleven".