11021111021101 has 4 divisors (see below), whose sum is σ = 11021131195552. Its totient is φ = 11021090846652.

The previous prime is 11021111021033. The next prime is 11021111021119. The reversal of 11021111021101 is 10112011112011.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11021111021101 - 2⁷ = 11021111020973 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 (11021111021801) 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, 9244311 + ... + 10368196.

It is an arithmetic number, because the mean of its divisors is an integer number (2755282798888).

Almost surely, 2^{11021111021101} is an apocalyptic number.

It is an amenable number.

11021111021101 is a deficient number, since it is larger than the sum of its proper divisors (20174451).

11021111021101 is an equidigital number, since it uses as much as digits as its factorization.

11021111021101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20174450.

The product of its (nonzero) digits is 4, while the sum is 13.

Adding to 11021111021101 its reverse (10112011112011), we get a palindrome (21133122133112).

It can be divided in two parts, 1102111 and 1021101, that added together give a palindrome (2123212).

The spelling of 11021111021101 in words is "eleven trillion, twenty-one billion, one hundred eleven million, twenty-one thousand, one hundred one".