121100200002211 has 4 divisors (see below), whose sum is σ = 121102930172592. Its totient is φ = 121097469831832.

The previous prime is 121100200002157. The next prime is 121100200002247. The reversal of 121100200002211 is 112200002001121.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 121100200002211 - 2¹¹ = 121100200000163 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121100200002191 and 121100200002200.

It is not an unprimeable number, because it can be changed into a prime (121100200002811) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1365018655 + ... + 1365107368.

It is an arithmetic number, because the mean of its divisors is an integer number (30275732543148).

Almost surely, 2^{121100200002211} is an apocalyptic number.

121100200002211 is a deficient number, since it is larger than the sum of its proper divisors (2730170381).

121100200002211 is an equidigital number, since it uses as much as digits as its factorization.

121100200002211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2730170380.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 121100200002211 its reverse (112200002001121), we get a palindrome (233300202003332).

The spelling of 121100200002211 in words is "one hundred twenty-one trillion, one hundred billion, two hundred million, two thousand, two hundred eleven".