10202002002111 has 4 divisors (see below), whose sum is σ = 13602669336152. Its totient is φ = 6801334668072.

The previous prime is 10202002002091. The next prime is 10202002002187. The reversal of 10202002002111 is 11120020020201.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 10202002002111 - 2¹³ = 10202001993919 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 (10202002006111) 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 3 ways as a sum of consecutive naturals, for example, 1700333667016 + ... + 1700333667021.

It is an arithmetic number, because the mean of its divisors is an integer number (3400667334038).

Almost surely, 2^{10202002002111} is an apocalyptic number.

10202002002111 is a deficient number, since it is larger than the sum of its proper divisors (3400667334041).

10202002002111 is an equidigital number, since it uses as much as digits as its factorization.

10202002002111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3400667334040.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 10202002002111 its reverse (11120020020201), we get a palindrome (21322022022312).

The spelling of 10202002002111 in words is "ten trillion, two hundred two billion, two million, two thousand, one hundred eleven".