11120121021011 has 4 divisors (see below), whose sum is σ = 11130582095472. Its totient is φ = 11109659946552.

The previous prime is 11120121020947. The next prime is 11120121021047. The reversal of 11120121021011 is 11012012102111.

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 11120121021011 - 2⁶ = 11120121020947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11120121021091) 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, 5230535636 + ... + 5230537761.

It is an arithmetic number, because the mean of its divisors is an integer number (2782645523868).

Almost surely, 2^{11120121021011} is an apocalyptic number.

11120121021011 is a deficient number, since it is larger than the sum of its proper divisors (10461074461).

11120121021011 is a wasteful number, since it uses less digits than its factorization.

11120121021011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10461074460.

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

Adding to 11120121021011 its reverse (11012012102111), we get a palindrome (22132133123122).

The spelling of 11120121021011 in words is "eleven trillion, one hundred twenty billion, one hundred twenty-one million, twenty-one thousand, eleven".