10111002020111 has 4 divisors (see below), whose sum is σ = 10115733422352. Its totient is φ = 10106270617872.

The previous prime is 10111002020089. The next prime is 10111002020143. The reversal of 10111002020111 is 11102020011101.

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

It is a cyclic number.

It is not a de Polignac number, because 10111002020111 - 2³⁰ = 10109928278287 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10111002020092 and 10111002020101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10111002020611) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2365697915 + ... + 2365702188.

It is an arithmetic number, because the mean of its divisors is an integer number (2528933355588).

Almost surely, 2^{10111002020111} is an apocalyptic number.

10111002020111 is a deficient number, since it is larger than the sum of its proper divisors (4731402241).

10111002020111 is an equidigital number, since it uses as much as digits as its factorization.

10111002020111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4731402240.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 10111002020111 its reverse (11102020011101), we get a palindrome (21213022031212).

The spelling of 10111002020111 in words is "ten trillion, one hundred eleven billion, two million, twenty thousand, one hundred eleven".