11212221002210 has 8 divisors (see below), whose sum is σ = 20181997803996. Its totient is φ = 4484888400880.

The previous prime is 11212221002201. The next prime is 11212221002237. The reversal of 11212221002210 is 1220012221211.

It can be written as a sum of positive squares in 2 ways, for example, as 11163624122401 + 48596879809 = 3341201^2 + 220447^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 560611050101 + ... + 560611050120.

Almost surely, 2^{11212221002210} is an apocalyptic number.

11212221002210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11212221002210 is a deficient number, since it is larger than the sum of its proper divisors (8969776801786).

11212221002210 is a wasteful number, since it uses less digits than its factorization.

11212221002210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1121222100228.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 11212221002210 its reverse (1220012221211), we get a palindrome (12432233223421).

The spelling of 11212221002210 in words is "eleven trillion, two hundred twelve billion, two hundred twenty-one million, two thousand, two hundred ten".