119899455919321 has 27 divisors (see below), whose sum is σ = 130732284830679. Its totient is φ = 109914179124672.

The previous prime is 119899455919273. The next prime is 119899455919367. The reversal of 119899455919321 is 123919554998911.

The square root of 119899455919321 is 10949861.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 13 ways, for example, as 111937690763721 + 7961765155600 = 10580061^2 + 2821660^2 .

It is not a de Polignac number, because 119899455919321 - 2¹⁹ = 119899455395033 is a prime.

It is a super-2 number, since 2×119899455919321² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (119899455919381) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 21209877931 + ... + 21209883583.

Almost surely, 2^{119899455919321} is an apocalyptic number.

119899455919321 is the 10949861-st square number.

119899455919321 is the 5474931-st centered octagonal number.

It is an amenable number.

119899455919321 is a deficient number, since it is larger than the sum of its proper divisors (10832828911358).

119899455919321 is an frugal number, since it uses more digits than its factorization.

119899455919321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11630 (or 5815 counting only the distinct ones).

The product of its digits is 283435200, while the sum is 76.

The spelling of 119899455919321 in words is "one hundred nineteen trillion, eight hundred ninety-nine billion, four hundred fifty-five million, nine hundred nineteen thousand, three hundred twenty-one".