11120102021221 has 8 divisors (see below), whose sum is σ = 11145102859800. Its totient is φ = 11095128613632.

The previous prime is 11120102021177. The next prime is 11120102021233. The reversal of 11120102021221 is 12212020102111.

It can be written as a sum of positive squares in 4 ways, for example, as 3391173812196 + 7728928209025 = 1841514^2 + 2780095^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11120102021221 - 2²¹ = 11120099924069 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11120102021195 and 11120102021204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11120102022221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6045960 + ... + 7667713.

It is an arithmetic number, because the mean of its divisors is an integer number (1393137857475).

Almost surely, 2^{11120102021221} is an apocalyptic number.

It is an amenable number.

11120102021221 is a deficient number, since it is larger than the sum of its proper divisors (25000838579).

11120102021221 is a wasteful number, since it uses less digits than its factorization.

11120102021221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13715495.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 11120102021221 its reverse (12212020102111), we get a palindrome (23332122123332).

The spelling of 11120102021221 in words is "eleven trillion, one hundred twenty billion, one hundred two million, twenty-one thousand, two hundred twenty-one".