11001021212210 has 8 divisors (see below), whose sum is σ = 19801838181996. Its totient is φ = 4400408484880.

The previous prime is 11001021212191. The next prime is 11001021212213. The reversal of 11001021212210 is 1221212010011.

It can be written as a sum of positive squares in 2 ways, for example, as 10675791668689 + 325229543521 = 3267383^2 + 570289^2 .

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

It is a super-2 number, since 2×11001021212210² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11001021212213) 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, 550051060601 + ... + 550051060620.

Almost surely, 2^{11001021212210} is an apocalyptic number.

11001021212210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11001021212210 is a deficient number, since it is larger than the sum of its proper divisors (8800816969786).

11001021212210 is a wasteful number, since it uses less digits than its factorization.

11001021212210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1100102121228.

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

Adding to 11001021212210 its reverse (1221212010011), we get a palindrome (12222233222221).

The spelling of 11001021212210 in words is "eleven trillion, one billion, twenty-one million, two hundred twelve thousand, two hundred ten".