1222221013019 has 16 divisors (see below), whose sum is σ = 1326583928160. Its totient is φ = 1121819719680.

The previous prime is 1222221012973. The next prime is 1222221013073. The reversal of 1222221013019 is 9103101222221.

It is a cyclic number.

It is not a de Polignac number, because 1222221013019 - 2³⁶ = 1153501536283 is a prime.

It is a super-2 number, since 2×1222221013019² (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 (1222221013099) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5422517 + ... + 5643414.

It is an arithmetic number, because the mean of its divisors is an integer number (82911495510).

Almost surely, 2^{1222221013019} is an apocalyptic number.

1222221013019 is a deficient number, since it is larger than the sum of its proper divisors (104362915141).

1222221013019 is a wasteful number, since it uses less digits than its factorization.

1222221013019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11066110.

The product of its (nonzero) digits is 864, while the sum is 26.

The spelling of 1222221013019 in words is "one trillion, two hundred twenty-two billion, two hundred twenty-one million, thirteen thousand, nineteen".