11012012200221 has 4 divisors (see below), whose sum is σ = 14682682933632. Its totient is φ = 7341341466812.

The previous prime is 11012012200213. The next prime is 11012012200249. The reversal of 11012012200221 is 12200221021011.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11012012200221 - 2³ = 11012012200213 is a prime.

It is a super-2 number, since 2×11012012200221² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11012012200221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11012012600221) 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, 1835335366701 + ... + 1835335366706.

It is an arithmetic number, because the mean of its divisors is an integer number (3670670733408).

Almost surely, 2^{11012012200221} is an apocalyptic number.

It is an amenable number.

11012012200221 is a deficient number, since it is larger than the sum of its proper divisors (3670670733411).

11012012200221 is an equidigital number, since it uses as much as digits as its factorization.

11012012200221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3670670733410.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 11012012200221 its reverse (12200221021011), we get a palindrome (23212233221232).

The spelling of 11012012200221 in words is "eleven trillion, twelve billion, twelve million, two hundred thousand, two hundred twenty-one".