11001100220121 has 8 divisors (see below), whose sum is σ = 16001600320224. Its totient is φ = 6667333466720.

The previous prime is 11001100220101. The next prime is 11001100220141. The reversal of 11001100220121 is 12102200110011.

It is an interprime number because it is at equal distance from previous prime (11001100220101) and next prime (11001100220141).

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 11001100220121 - 2⁹ = 11001100219609 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11001100220097 and 11001100220106.

It is not an unprimeable number, because it can be changed into a prime (11001100220101) 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, 166683336636 + ... + 166683336701.

It is an arithmetic number, because the mean of its divisors is an integer number (2000200040028).

Almost surely, 2^{11001100220121} is an apocalyptic number.

11001100220121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11001100220121 is a deficient number, since it is larger than the sum of its proper divisors (5000500100103).

11001100220121 is a wasteful number, since it uses less digits than its factorization.

11001100220121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333366673351.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 11001100220121 its reverse (12102200110011), we get a palindrome (23103300330132).

The spelling of 11001100220121 in words is "eleven trillion, one billion, one hundred million, two hundred twenty thousand, one hundred twenty-one".