121000002211 has 8 divisors (see below), whose sum is σ = 138947371200. Its totient is φ = 104210528040.

The previous prime is 121000002199. The next prime is 121000002223. The reversal of 121000002211 is 112200000121.

It is an interprime number because it is at equal distance from previous prime (121000002199) and next prime (121000002223).

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 121000002211 - 2⁹ = 121000001699 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121000002241) 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, 289473481 + ... + 289473898.

It is an arithmetic number, because the mean of its divisors is an integer number (17368421400).

Almost surely, 2^121000002211 is an apocalyptic number.

121000002211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

121000002211 is a deficient number, since it is larger than the sum of its proper divisors (17947368989).

121000002211 is a wasteful number, since it uses less digits than its factorization.

121000002211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 578947409.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 121000002211 its reverse (112200000121), we get a palindrome (233200002332).

The spelling of 121000002211 in words is "one hundred twenty-one billion, two thousand, two hundred eleven".