1119721221885 has 128 divisors (see below), whose sum is σ = 2105106776064. Its totient is φ = 497717176320.

The previous prime is 1119721221863. The next prime is 1119721221907. The reversal of 1119721221885 is 5881221279111.

It is an interprime number because it is at equal distance from previous prime (1119721221863) and next prime (1119721221907).

It is not a de Polignac number, because 1119721221885 - 2¹³ = 1119721213693 is a prime.

It is a super-2 number, since 2×1119721221885² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 127 ways as a sum of consecutive naturals, for example, 160346104 + ... + 160353086.

It is an arithmetic number, because the mean of its divisors is an integer number (16446146688).

Almost surely, 2^{1119721221885} is an apocalyptic number.

1119721221885 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1119721221885 is a deficient number, since it is larger than the sum of its proper divisors (985385554179).

1119721221885 is a wasteful number, since it uses less digits than its factorization.

1119721221885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7363.

The product of its digits is 161280, while the sum is 48.

The spelling of 1119721221885 in words is "one trillion, one hundred nineteen billion, seven hundred twenty-one million, two hundred twenty-one thousand, eight hundred eighty-five".