1011201020016 has 80 divisors (see below), whose sum is σ = 2849888095488. Its totient is φ = 306409523200.

The previous prime is 1011201020003. The next prime is 1011201020017. The reversal of 1011201020016 is 6100201021101.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1011201019977 and 1011201020004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011201020017) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 15766285 + ... + 15830291.

Almost surely, 2^{1011201020016} is an apocalyptic number.

1011201020016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1011201020016 is an abundant number, since it is smaller than the sum of its proper divisors (1838687075472).

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

1011201020016 is a wasteful number, since it uses less digits than its factorization.

1011201020016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93950 (or 93944 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 1011201020016 its reverse (6100201021101), we get a palindrome (7111402041117).

The spelling of 1011201020016 in words is "one trillion, eleven billion, two hundred one million, twenty thousand, sixteen".