11012110020221 has 16 divisors (see below), whose sum is σ = 11402590617600. Its totient is φ = 10623841079040.

The previous prime is 11012110020173. The next prime is 11012110020287. The reversal of 11012110020221 is 12202001121011.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11012110020221 is a prime.

It is a super-4 number, since 4×11012110020221⁴ (a number of 53 digits) contains 4444 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11012110020196 and 11012110020205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11012110520221) 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, 82976900 + ... + 83109506.

It is an arithmetic number, because the mean of its divisors is an integer number (712661913600).

Almost surely, 2^{11012110020221} is an apocalyptic number.

It is an amenable number.

11012110020221 is a deficient number, since it is larger than the sum of its proper divisors (390480597379).

11012110020221 is a wasteful number, since it uses less digits than its factorization.

11012110020221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140924.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 11012110020221 its reverse (12202001121011), we get a palindrome (23214111141232).

The spelling of 11012110020221 in words is "eleven trillion, twelve billion, one hundred ten million, twenty thousand, two hundred twenty-one".