1101420342520 has 16 divisors (see below), whose sum is σ = 2478195770760. Its totient is φ = 440568136992.

The previous prime is 1101420342499. The next prime is 1101420342557. The reversal of 1101420342520 is 252430241011.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13767754242 + ... + 13767754321.

Almost surely, 2^{1101420342520} is an apocalyptic number.

1101420342520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1101420342520 is an abundant number, since it is smaller than the sum of its proper divisors (1376775428240).

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

1101420342520 is a wasteful number, since it uses less digits than its factorization.

1101420342520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27535508574 (or 27535508570 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 1101420342520 its reverse (252430241011), we get a palindrome (1353850583531).

The spelling of 1101420342520 in words is "one trillion, one hundred one billion, four hundred twenty million, three hundred forty-two thousand, five hundred twenty".