1221112114 has 8 divisors (see below), whose sum is σ = 1832307840. Its totient is φ = 610342836.

The previous prime is 1221112069. The next prime is 1221112117. The reversal of 1221112114 is 4112111221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1221112114² = 2982229589915097992, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1221112117) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 99354 + ... + 110965.

It is an arithmetic number, because the mean of its divisors is an integer number (229038480).

Almost surely, 2^1221112114 is an apocalyptic number.

1221112114 is a deficient number, since it is larger than the sum of its proper divisors (611195726).

1221112114 is a wasteful number, since it uses less digits than its factorization.

1221112114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213224.

The product of its digits is 32, while the sum is 16.

The square root of 1221112114 is about 34944.4146323844. The cubic root of 1221112114 is about 1068.8543110162.

Adding to 1221112114 its reverse (4112111221), we get a palindrome (5333223335).

The spelling of 1221112114 in words is "one billion, two hundred twenty-one million, one hundred twelve thousand, one hundred fourteen".