11010020102111 has 4 divisors (see below), whose sum is σ = 11010138522672. Its totient is φ = 11009901681552.

The previous prime is 11010020102093. The next prime is 11010020102113. The reversal of 11010020102111 is 11120102001011.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11010020102111 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11010020102092 and 11010020102101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11010020102113) 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, 59070710 + ... + 59256803.

It is an arithmetic number, because the mean of its divisors is an integer number (2752534630668).

Almost surely, 2^{11010020102111} is an apocalyptic number.

11010020102111 is a deficient number, since it is larger than the sum of its proper divisors (118420561).

11010020102111 is an equidigital number, since it uses as much as digits as its factorization.

11010020102111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118420560.

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

Adding to 11010020102111 its reverse (11120102001011), we get a palindrome (22130122103122).

The spelling of 11010020102111 in words is "eleven trillion, ten billion, twenty million, one hundred two thousand, one hundred eleven".