111020222202111 has 12 divisors (see below), whose sum is σ = 164696665969992. Its totient is φ = 72013117103856.

The previous prime is 111020222202103. The next prime is 111020222202137. The reversal of 111020222202111 is 111202222020111.

111020222202111 is a `hidden beast` number, since 1 + 110 + 20 + 222 + 202 + 111 = 666.

It is not a de Polignac number, because 111020222202111 - 2³ = 111020222202103 is a prime.

It is a super-2 number, since 2×111020222202111² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111020222202511) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 166697030001 + ... + 166697030666.

It is an arithmetic number, because the mean of its divisors is an integer number (13724722164166).

Almost surely, 2^{111020222202111} is an apocalyptic number.

111020222202111 is a deficient number, since it is larger than the sum of its proper divisors (53676443767881).

111020222202111 is a wasteful number, since it uses less digits than its factorization.

111020222202111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333394060710 (or 333394060707 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 111020222202111 its reverse (111202222020111), we get a palindrome (222222444222222).

The spelling of 111020222202111 in words is "one hundred eleven trillion, twenty billion, two hundred twenty-two million, two hundred two thousand, one hundred eleven".