121122222200011 has 8 divisors (see below), whose sum is σ = 121211322932160. Its totient is φ = 121033122756672.

The previous prime is 121122222199991. The next prime is 121122222200027. The reversal of 121122222200011 is 110002222221121.

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 121122222200011 - 2¹³ = 121122222191819 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121122222200411) 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, 272193246 + ... + 272637868.

It is an arithmetic number, because the mean of its divisors is an integer number (15151415366520).

Almost surely, 2^{121122222200011} is an apocalyptic number.

121122222200011 is a deficient number, since it is larger than the sum of its proper divisors (89100732149).

121122222200011 is a wasteful number, since it uses less digits than its factorization.

121122222200011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 644405.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 121122222200011 its reverse (110002222221121), we get a palindrome (231124444421132).

The spelling of 121122222200011 in words is "one hundred twenty-one trillion, one hundred twenty-two billion, two hundred twenty-two million, two hundred thousand, eleven".