121000222211 has 8 divisors (see below), whose sum is σ = 134808758784. Its totient is φ = 107659771720.

The previous prime is 121000222199. The next prime is 121000222219. The reversal of 121000222211 is 112222000121.

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 121000222211 - 2¹⁴ = 121000205827 is a prime.

It is a super-2 number, since 2×121000222211² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121000222219) 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 7 ways as a sum of consecutive naturals, for example, 117020975 + ... + 117022008.

It is an arithmetic number, because the mean of its divisors is an integer number (16851094848).

Almost surely, 2^121000222211 is an apocalyptic number.

121000222211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

121000222211 is a deficient number, since it is larger than the sum of its proper divisors (13808536573).

121000222211 is a wasteful number, since it uses less digits than its factorization.

121000222211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234043041.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 121000222211 its reverse (112222000121), we get a palindrome (233222222332).

The spelling of 121000222211 in words is "one hundred twenty-one billion, two hundred twenty-two thousand, two hundred eleven".