10221202011985 has 32 divisors (see below), whose sum is σ = 12722561187840. Its totient is φ = 7874820811200.

The previous prime is 10221202011983. The next prime is 10221202012001. The reversal of 10221202011985 is 58911020212201.

It is a happy number.

It is not a de Polignac number, because 10221202011985 - 2¹ = 10221202011983 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10221202011985.

It is not an unprimeable number, because it can be changed into a prime (10221202011983) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 55883694 + ... + 56066296.

It is an arithmetic number, because the mean of its divisors is an integer number (397580037120).

Almost surely, 2^{10221202011985} is an apocalyptic number.

It is an amenable number.

10221202011985 is a deficient number, since it is larger than the sum of its proper divisors (2501359175855).

10221202011985 is a wasteful number, since it uses less digits than its factorization.

10221202011985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184389.

The product of its (nonzero) digits is 5760, while the sum is 34.

The spelling of 10221202011985 in words is "ten trillion, two hundred twenty-one billion, two hundred two million, eleven thousand, nine hundred eighty-five".