222111112111100 has 36 divisors (see below), whose sum is σ = 498601151676600. Its totient is φ = 85780843296960.

The previous prime is 222111112111067. The next prime is 222111112111103. The reversal of 222111112111100 is 1111211111222.

It is a super-2 number, since 2×222111112111100² (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 (222111112111103) 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, 38295016430 + ... + 38295022229.

Almost surely, 2^{222111112111100} is an apocalyptic number.

222111112111100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222111112111100 is an abundant number, since it is smaller than the sum of its proper divisors (276490039565500).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

222111112111100 is a wasteful number, since it uses less digits than its factorization.

222111112111100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76590038702 (or 76590038695 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 17.

Adding to 222111112111100 its reverse (1111211111222), we get a palindrome (223222323222322).

It can be divided in two parts, 222111 and 112111100, that added together give a palindrome (112333211).

The spelling of 222111112111100 in words is "two hundred twenty-two trillion, one hundred eleven billion, one hundred twelve million, one hundred eleven thousand, one hundred".