11021120101 has 16 divisors (see below), whose sum is σ = 11231424000. Its totient is φ = 10813176000.

The previous prime is 11021120083. The next prime is 11021120113. The reversal of 11021120101 is 10102112011.

It is a cyclic number.

It is not a de Polignac number, because 11021120101 - 2⁷ = 11021119973 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 (11021120191) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11120716 + ... + 11121706.

It is an arithmetic number, because the mean of its divisors is an integer number (701964000).

Almost surely, 2^11021120101 is an apocalyptic number.

It is an amenable number.

11021120101 is a deficient number, since it is larger than the sum of its proper divisors (210303899).

11021120101 is a wasteful number, since it uses less digits than its factorization.

11021120101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1980.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 11021120101 its reverse (10102112011), we get a palindrome (21123232112).

It can be divided in two parts, 1102112010 and 1, that added together give a palindrome (1102112011).

The spelling of 11021120101 in words is "eleven billion, twenty-one million, one hundred twenty thousand, one hundred one".