1220110120019 has 12 divisors (see below), whose sum is σ = 1422604863648. Its totient is φ = 1043382186000.

The previous prime is 1220110120003. The next prime is 1220110120051. The reversal of 1220110120019 is 9100210110221.

It is not a de Polignac number, because 1220110120019 - 2⁴ = 1220110120003 is a prime.

It is a super-2 number, since 2×1220110120019² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1220110120219) 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 11 ways as a sum of consecutive naturals, for example, 28865432 + ... + 28907669.

It is an arithmetic number, because the mean of its divisors is an integer number (118550405304).

Almost surely, 2^{1220110120019} is an apocalyptic number.

1220110120019 is a deficient number, since it is larger than the sum of its proper divisors (202494743629).

1220110120019 is an equidigital number, since it uses as much as digits as its factorization.

1220110120019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57773546 (or 57773539 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 20.

The spelling of 1220110120019 in words is "one trillion, two hundred twenty billion, one hundred ten million, one hundred twenty thousand, nineteen".