121002102000211 has 4 divisors (see below), whose sum is σ = 121002127863400. Its totient is φ = 121002076137024.

The previous prime is 121002102000209. The next prime is 121002102000223. The reversal of 121002102000211 is 112000201200121.

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 121002102000211 - 2¹ = 121002102000209 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121002102000191 and 121002102000200.

It is not an unprimeable number, because it can be changed into a prime (121002102000281) 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, 3732441 + ... + 15997978.

It is an arithmetic number, because the mean of its divisors is an integer number (30250531965850).

Almost surely, 2^{121002102000211} is an apocalyptic number.

121002102000211 is a deficient number, since it is larger than the sum of its proper divisors (25863189).

121002102000211 is an equidigital number, since it uses as much as digits as its factorization.

121002102000211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25863188.

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

Adding to 121002102000211 its reverse (112000201200121), we get a palindrome (233002303200332).

The spelling of 121002102000211 in words is "one hundred twenty-one trillion, two billion, one hundred two million, two hundred eleven", and thus it is an aban number.