121102200122211 has 64 divisors (see below), whose sum is σ = 223896120115200. Its totient is φ = 62849683879200.

The previous prime is 121102200122159. The next prime is 121102200122213. The reversal of 121102200122211 is 112221002201121.

121102200122211 is a `hidden beast` number, since 1 + 2 + 110 + 220 + 0 + 122 + 211 = 666.

It is not a de Polignac number, because 121102200122211 - 2¹⁰ = 121102200121187 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121102200122213) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 25871785 + ... + 30191946.

It is an arithmetic number, because the mean of its divisors is an integer number (3498376876800).

Almost surely, 2^{121102200122211} is an apocalyptic number.

121102200122211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

121102200122211 is a deficient number, since it is larger than the sum of its proper divisors (102793919992989).

121102200122211 is a wasteful number, since it uses less digits than its factorization.

121102200122211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56064797 (or 56064791 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 121102200122211 its reverse (112221002201121), we get a palindrome (233323202323332).

The spelling of 121102200122211 in words is "one hundred twenty-one trillion, one hundred two billion, two hundred million, one hundred twenty-two thousand, two hundred eleven".