1221112333030 has 8 divisors (see below), whose sum is σ = 2198002199472. Its totient is φ = 488444933208.

The previous prime is 1221112333009. The next prime is 1221112333033. The reversal of 1221112333030 is 303332111221.

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

It is a super-4 number, since 4×1221112333030⁴ (a number of 49 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 1221112332992 and 1221112333010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1221112333033) by changing a digit.

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, 61055616642 + ... + 61055616661.

It is an arithmetic number, because the mean of its divisors is an integer number (274750274934).

Almost surely, 2^{1221112333030} is an apocalyptic number.

1221112333030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1221112333030 is a deficient number, since it is larger than the sum of its proper divisors (976889866442).

1221112333030 is a wasteful number, since it uses less digits than its factorization.

1221112333030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122111233310.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 1221112333030 its reverse (303332111221), we get a palindrome (1524444444251).

The spelling of 1221112333030 in words is "one trillion, two hundred twenty-one billion, one hundred twelve million, three hundred thirty-three thousand, thirty".