119191001020 has 96 divisors (see below), whose sum is σ = 324276825600. Its totient is φ = 35736609024.

The previous prime is 119191001011. The next prime is 119191001053. The reversal of 119191001020 is 20100191911.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1688830 + ... + 1757989.

It is an arithmetic number, because the mean of its divisors is an integer number (3377883600).

Almost surely, 2^119191001020 is an apocalyptic number.

119191001020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

119191001020 is an abundant number, since it is smaller than the sum of its proper divisors (205085824580).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

119191001020 is a wasteful number, since it uses less digits than its factorization.

119191001020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3446867 (or 3446865 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 25.

Adding to 119191001020 its reverse (20100191911), we get a palindrome (139291192931).

The spelling of 119191001020 in words is "one hundred nineteen billion, one hundred ninety-one million, one thousand, twenty".