222212011100 has 18 divisors (see below), whose sum is σ = 482200064304. Its totient is φ = 88884804400.

The previous prime is 222212011097. The next prime is 222212011103. The reversal of 222212011100 is 1110212222.

It is an interprime number because it is at equal distance from previous prime (222212011097) and next prime (222212011103).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222212011103) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1111059956 + ... + 1111060155.

Almost surely, 2^222212011100 is an apocalyptic number.

222212011100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222212011100 is an abundant number, since it is smaller than the sum of its proper divisors (259988053204).

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

222212011100 is a wasteful number, since it uses less digits than its factorization.

222212011100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2222120125 (or 2222120118 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 222212011100 its reverse (1110212222), we get a palindrome (223322223322).

The spelling of 222212011100 in words is "two hundred twenty-two billion, two hundred twelve million, eleven thousand, one hundred".