1220110003123 has 8 divisors (see below), whose sum is σ = 1331069808816. Its totient is φ = 1109156983200.

The previous prime is 1220110003117. The next prime is 1220110003163. The reversal of 1220110003123 is 3213000110221.

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

It is a cyclic number.

It is not a de Polignac number, because 1220110003123 - 2²¹ = 1220107905971 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1220110003097 and 1220110003106.

It is not an unprimeable number, because it can be changed into a prime (1220110003163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1316788 + ... + 2043073.

It is an arithmetic number, because the mean of its divisors is an integer number (166383726102).

Almost surely, 2^{1220110003123} is an apocalyptic number.

1220110003123 is a deficient number, since it is larger than the sum of its proper divisors (110959805693).

1220110003123 is a wasteful number, since it uses less digits than its factorization.

1220110003123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3392885.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 1220110003123 its reverse (3213000110221), we get a palindrome (4433110113344).

The spelling of 1220110003123 in words is "one trillion, two hundred twenty billion, one hundred ten million, three thousand, one hundred twenty-three".