121102201222011 has 36 divisors (see below), whose sum is σ = 182078643531928. Its totient is φ = 77520682931328.

The previous prime is 121102201222001. The next prime is 121102201222019. The reversal of 121102201222011 is 110222102201121.

121102201222011 is a `hidden beast` number, since 1 + 211 + 0 + 220 + 1 + 2 + 220 + 11 = 666.

It is not a de Polignac number, because 121102201222011 - 2¹¹ = 121102201219963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121102201222019) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 43600510 + ... + 46294803.

Almost surely, 2^{121102201222011} is an apocalyptic number.

121102201222011 is a deficient number, since it is larger than the sum of its proper divisors (60976442309917).

121102201222011 is an equidigital number, since it uses as much as digits as its factorization.

121102201222011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89895480 (or 89895418 counting only the distinct ones).

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

Adding to 121102201222011 its reverse (110222102201121), we get a palindrome (231324303423132).

The spelling of 121102201222011 in words is "one hundred twenty-one trillion, one hundred two billion, two hundred one million, two hundred twenty-two thousand, eleven".