11110201212221 has 8 divisors (see below), whose sum is σ = 11468928201984. Its totient is φ = 10751495060160.

The previous prime is 11110201212203. The next prime is 11110201212259. The reversal of 11110201212221 is 12221210201111.

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 11110201212221 - 2¹⁸ = 11110200950077 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11110201212221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11110201242221) 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, 4122251 + ... + 6262056.

It is an arithmetic number, because the mean of its divisors is an integer number (1433616025248).

Almost surely, 2^{11110201212221} is an apocalyptic number.

It is an amenable number.

11110201212221 is a deficient number, since it is larger than the sum of its proper divisors (358726989763).

11110201212221 is a wasteful number, since it uses less digits than its factorization.

11110201212221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10418851.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 11110201212221 its reverse (12221210201111), we get a palindrome (23331411413332).

The spelling of 11110201212221 in words is "eleven trillion, one hundred ten billion, two hundred one million, two hundred twelve thousand, two hundred twenty-one".