1011111313420 has 36 divisors (see below), whose sum is σ = 2299231236960. Its totient is φ = 373333406784.

The previous prime is 1011111313417. The next prime is 1011111313441. The reversal of 1011111313420 is 243131111101.

It is an unprimeable number.

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, 149569300 + ... + 149576059.

It is an arithmetic number, because the mean of its divisors is an integer number (63867534360).

Almost surely, 2^{1011111313420} is an apocalyptic number.

1011111313420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1011111313420 is an abundant number, since it is smaller than the sum of its proper divisors (1288119923540).

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

1011111313420 is a wasteful number, since it uses less digits than its factorization.

1011111313420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299145394 (or 299145379 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 19.

Adding to 1011111313420 its reverse (243131111101), we get a palindrome (1254242424521).

The spelling of 1011111313420 in words is "one trillion, eleven billion, one hundred eleven million, three hundred thirteen thousand, four hundred twenty".