11021111232011 has 4 divisors (see below), whose sum is σ = 11022062405352. Its totient is φ = 11020160058672.

The previous prime is 11021111231993. The next prime is 11021111232017. The reversal of 11021111232011 is 11023211112011.

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 11021111232011 - 2²⁶ = 11021044123147 is a prime.

It is a super-2 number, since 2×11021111232011² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11021111232017) 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, 475569290 + ... + 475592463.

It is an arithmetic number, because the mean of its divisors is an integer number (2755515601338).

Almost surely, 2^{11021111232011} is an apocalyptic number.

11021111232011 is a deficient number, since it is larger than the sum of its proper divisors (951173341).

11021111232011 is an equidigital number, since it uses as much as digits as its factorization.

11021111232011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 951173340.

The product of its (nonzero) digits is 24, while the sum is 17.

Adding to 11021111232011 its reverse (11023211112011), we get a palindrome (22044322344022).

The spelling of 11021111232011 in words is "eleven trillion, twenty-one billion, one hundred eleven million, two hundred thirty-two thousand, eleven".