1221114343444 has 6 divisors (see below), whose sum is σ = 2136950101034. Its totient is φ = 610557171720.

The previous prime is 1221114343433. The next prime is 1221114343451. The reversal of 1221114343444 is 4443434111221.

It can be written as a sum of positive squares in only one way, i.e., 1220225111044 + 889232400 = 1104638^2 + 29820^2 .

It is a super-2 number, since 2×1221114343444² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 152639292927 + ... + 152639292934.

Almost surely, 2^{1221114343444} is an apocalyptic number.

It is an amenable number.

1221114343444 is a deficient number, since it is larger than the sum of its proper divisors (915835757590).

1221114343444 is a wasteful number, since it uses less digits than its factorization.

1221114343444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305278585865 (or 305278585863 counting only the distinct ones).

The product of its digits is 36864, while the sum is 34.

Adding to 1221114343444 its reverse (4443434111221), we get a palindrome (5664548454665).

The spelling of 1221114343444 in words is "one trillion, two hundred twenty-one billion, one hundred fourteen million, three hundred forty-three thousand, four hundred forty-four".