111203020112211 has 12 divisors (see below), whose sum is σ = 162216946831680. Its totient is φ = 73401333406800.

The previous prime is 111203020112179. The next prime is 111203020112251. The reversal of 111203020112211 is 112211020302111.

It is a happy number.

111203020112211 is a `hidden beast` number, since 11 + 120 + 302 + 0 + 11 + 221 + 1 = 666.

It is not a de Polignac number, because 111203020112211 - 2⁵ = 111203020112179 is a prime.

It is a super-2 number, since 2×111203020112211² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (111203020112251) 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 11 ways as a sum of consecutive naturals, for example, 61167776931 + ... + 61167778748.

It is an arithmetic number, because the mean of its divisors is an integer number (13518078902640).

Almost surely, 2^{111203020112211} is an apocalyptic number.

111203020112211 is a deficient number, since it is larger than the sum of its proper divisors (51013926719469).

111203020112211 is a wasteful number, since it uses less digits than its factorization.

111203020112211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122335555786 (or 122335555783 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 18.

Adding to 111203020112211 its reverse (112211020302111), we get a palindrome (223414040414322).

The spelling of 111203020112211 in words is "one hundred eleven trillion, two hundred three billion, twenty million, one hundred twelve thousand, two hundred eleven".