121102002211 has 4 divisors (see below), whose sum is σ = 124055709624. Its totient is φ = 118148294800.

The previous prime is 121102002193. The next prime is 121102002221. The reversal of 121102002211 is 112200201121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 112200201121 = 1013 ⋅110760317.

It is a cyclic number.

It is not a de Polignac number, because 121102002211 - 2⁷ = 121102002083 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121102002191 and 121102002200.

It is not an unprimeable number, because it can be changed into a prime (121102002221) 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, 1476853645 + ... + 1476853726.

It is an arithmetic number, because the mean of its divisors is an integer number (31013927406).

Almost surely, 2^121102002211 is an apocalyptic number.

121102002211 is a deficient number, since it is larger than the sum of its proper divisors (2953707413).

121102002211 is an equidigital number, since it uses as much as digits as its factorization.

121102002211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2953707412.

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

Adding to 121102002211 its reverse (112200201121), we get a palindrome (233302203332).

The spelling of 121102002211 in words is "one hundred twenty-one billion, one hundred two million, two thousand, two hundred eleven".