111211111214203 has 32 divisors (see below), whose sum is σ = 149327926981632. Its totient is φ = 79986912393600.

The previous prime is 111211111214171. The next prime is 111211111214209. The reversal of 111211111214203 is 302412111112111.

It is a cyclic number.

It is not a de Polignac number, because 111211111214203 - 2⁵ = 111211111214171 is a prime.

It is a super-2 number, since 2×111211111214203² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (111211111214209) 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, 12217938 + ... + 19279528.

It is an arithmetic number, because the mean of its divisors is an integer number (4666497718176).

Almost surely, 2^{111211111214203} is an apocalyptic number.

111211111214203 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

111211111214203 is a deficient number, since it is larger than the sum of its proper divisors (38116815767429).

111211111214203 is a wasteful number, since it uses less digits than its factorization.

111211111214203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7077355.

The product of its (nonzero) digits is 96, while the sum is 22.

Adding to 111211111214203 its reverse (302412111112111), we get a palindrome (413623222326314).

The spelling of 111211111214203 in words is "one hundred eleven trillion, two hundred eleven billion, one hundred eleven million, two hundred fourteen thousand, two hundred three".