121012002211 has 4 divisors (see below), whose sum is σ = 121013118352. Its totient is φ = 121010886072.

The previous prime is 121012002151. The next prime is 121012002217. The reversal of 121012002211 is 112200210121.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 121012002211 - 2¹⁵ = 121011969443 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121012002191 and 121012002200.

It is not an unprimeable number, because it can be changed into a prime (121012002217) 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, 375540 + ... + 618913.

It is an arithmetic number, because the mean of its divisors is an integer number (30253279588).

Almost surely, 2^121012002211 is an apocalyptic number.

121012002211 is a deficient number, since it is larger than the sum of its proper divisors (1116141).

121012002211 is an equidigital number, since it uses as much as digits as its factorization.

121012002211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1116140.

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

Adding to 121012002211 its reverse (112200210121), we get a palindrome (233212212332).

The spelling of 121012002211 in words is "one hundred twenty-one billion, twelve million, two thousand, two hundred eleven".