11002232101221 has 10 divisors (see below), whose sum is σ = 16435433138982. Its totient is φ = 7334821400760.

The previous prime is 11002232101219. The next prime is 11002232101277. The reversal of 11002232101221 is 12210123220011.

11002232101221 is a `hidden beast` number, since 1 + 10 + 0 + 223 + 210 + 1 + 221 = 666.

It can be written as a sum of positive squares in only one way, i.e., 10994695430625 + 7536670596 = 3315825^2 + 86814^2 .

It is not a de Polignac number, because 11002232101221 - 2¹ = 11002232101219 is a prime.

It is a super-2 number, since 2×11002232101221² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11002232101194 and 11002232101203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11002232101921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 67915012890 + ... + 67915013051.

Almost surely, 2^{11002232101221} is an apocalyptic number.

It is an amenable number.

11002232101221 is a deficient number, since it is larger than the sum of its proper divisors (5433201037761).

11002232101221 is an equidigital number, since it uses as much as digits as its factorization.

11002232101221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135830025953 (or 135830025944 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 11002232101221 its reverse (12210123220011), we get a palindrome (23212355321232).

The spelling of 11002232101221 in words is "eleven trillion, two billion, two hundred thirty-two million, one hundred one thousand, two hundred twenty-one".