10011020621616 has 120 divisors (see below), whose sum is σ = 32028414089984. Its totient is φ = 2859484187520.

The previous prime is 10011020621603. The next prime is 10011020621627. The reversal of 10011020621616 is 61612602011001.

10011020621616 is a `hidden beast` number, since 1 + 0 + 0 + 1 + 1 + 0 + 20 + 6 + 21 + 616 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 10011020621616.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2175381 + ... + 4975371.

Almost surely, 2^{10011020621616} is an apocalyptic number.

10011020621616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

10011020621616 is an abundant number, since it is smaller than the sum of its proper divisors (22017393468368).

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

10011020621616 is a wasteful number, since it uses less digits than its factorization.

10011020621616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2803559 (or 2803550 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 27.

Adding to 10011020621616 its reverse (61612602011001), we get a palindrome (71623622632617).

The spelling of 10011020621616 in words is "ten trillion, eleven billion, twenty million, six hundred twenty-one thousand, six hundred sixteen".