10202110011111 has 32 divisors (see below), whose sum is σ = 13990081361920. Its totient is φ = 6608292263424.

The previous prime is 10202110011097. The next prime is 10202110011133. The reversal of 10202110011111 is 11111001120201.

It is not a de Polignac number, because 10202110011111 - 2¹⁰ = 10202110010087 is a prime.

It is a super-2 number, since 2×10202110011111² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10202110021111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 928049631 + ... + 928060623.

It is an arithmetic number, because the mean of its divisors is an integer number (437190042560).

Almost surely, 2^{10202110011111} is an apocalyptic number.

10202110011111 is a deficient number, since it is larger than the sum of its proper divisors (3787971350809).

10202110011111 is a wasteful number, since it uses less digits than its factorization.

10202110011111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22015.

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 10202110011111 its reverse (11111001120201), we get a palindrome (21313111131312).

The spelling of 10202110011111 in words is "ten trillion, two hundred two billion, one hundred ten million, eleven thousand, one hundred eleven".