10202021210111 has 16 divisors (see below), whose sum is σ = 10534311144000. Its totient is φ = 9876585489408.

The previous prime is 10202021210047. The next prime is 10202021210191. The reversal of 10202021210111 is 11101212020201.

It is a cyclic number.

It is not a de Polignac number, because 10202021210111 - 2⁶ = 10202021210047 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10202021210191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4840811 + ... + 6620988.

It is an arithmetic number, because the mean of its divisors is an integer number (658394446500).

Almost surely, 2^{10202021210111} is an apocalyptic number.

10202021210111 is a deficient number, since it is larger than the sum of its proper divisors (332289933889).

10202021210111 is a wasteful number, since it uses less digits than its factorization.

10202021210111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11462098.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 10202021210111 its reverse (11101212020201), we get a palindrome (21303233230312).

The spelling of 10202021210111 in words is "ten trillion, two hundred two billion, twenty-one million, two hundred ten thousand, one hundred eleven".