1110221111212 has 12 divisors (see below), whose sum is σ = 1964717135640. Its totient is φ = 548873358176.

The previous prime is 1110221111203. The next prime is 1110221111269. The reversal of 1110221111212 is 2121111220111.

It is a super-3 number, since 3×1110221111212³ (a number of 37 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1559298958 + ... + 1559299669.

It is an arithmetic number, because the mean of its divisors is an integer number (163726427970).

Almost surely, 2^{1110221111212} is an apocalyptic number.

It is an amenable number.

1110221111212 is a deficient number, since it is larger than the sum of its proper divisors (854496024428).

1110221111212 is a wasteful number, since it uses less digits than its factorization.

1110221111212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3118598720 (or 3118598718 counting only the distinct ones).

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

Adding to 1110221111212 its reverse (2121111220111), we get a palindrome (3231332331323).

The spelling of 1110221111212 in words is "one trillion, one hundred ten billion, two hundred twenty-one million, one hundred eleven thousand, two hundred twelve".