110001021222222 has 96 divisors (see below), whose sum is σ = 262084230521568. Its totient is φ = 33139146912768.

The previous prime is 110001021222173. The next prime is 110001021222271. The reversal of 110001021222222 is 222222120100011.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (110001021222173) and next prime (110001021222271).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 110001021222195 and 110001021222204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 21161908 + ... + 25842375.

It is an arithmetic number, because the mean of its divisors is an integer number (2730044067933).

Almost surely, 2^{110001021222222} is an apocalyptic number.

110001021222222 is an abundant number, since it is smaller than the sum of its proper divisors (152083209299346).

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

110001021222222 is a wasteful number, since it uses less digits than its factorization.

110001021222222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47004514 (or 47004511 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 110001021222222 its reverse (222222120100011), we get a palindrome (332223141322233).

The spelling of 110001021222222 in words is "one hundred ten trillion, one billion, twenty-one million, two hundred twenty-two thousand, two hundred twenty-two".