1220112110001 has 8 divisors (see below), whose sum is σ = 1670784150784. Its totient is φ = 791424071280.

The previous prime is 1220112109987. The next prime is 1220112110089. The reversal of 1220112110001 is 1000112110221.

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

It is not a de Polignac number, because 1220112110001 - 2¹⁰ = 1220112108977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1220112110101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5496000385 + ... + 5496000606.

It is an arithmetic number, because the mean of its divisors is an integer number (208848018848).

Almost surely, 2^{1220112110001} is an apocalyptic number.

It is an amenable number.

1220112110001 is a deficient number, since it is larger than the sum of its proper divisors (450672040783).

1220112110001 is a wasteful number, since it uses less digits than its factorization.

1220112110001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10992001031.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 1220112110001 its reverse (1000112110221), we get a palindrome (2220224220222).

The spelling of 1220112110001 in words is "one trillion, two hundred twenty billion, one hundred twelve million, one hundred ten thousand, one".