11211102020111 has 8 divisors (see below), whose sum is σ = 12824367783840. Its totient is φ = 9600756196608.

The previous prime is 11211102020071. The next prime is 11211102020189. The reversal of 11211102020111 is 11102020111211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11211102020111 - 2⁶ = 11211102020047 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 (11211102020011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 729976826 + ... + 729992183.

It is an arithmetic number, because the mean of its divisors is an integer number (1603045972980).

Almost surely, 2^{11211102020111} is an apocalyptic number.

11211102020111 is a deficient number, since it is larger than the sum of its proper divisors (1613265763729).

11211102020111 is a wasteful number, since it uses less digits than its factorization.

11211102020111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1459970113.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 11211102020111 its reverse (11102020111211), we get a palindrome (22313122131322).

The spelling of 11211102020111 in words is "eleven trillion, two hundred eleven billion, one hundred two million, twenty thousand, one hundred eleven".