121102210011 has 16 divisors (see below), whose sum is σ = 165907931904. Its totient is φ = 78517602144.

The previous prime is 121102210003. The next prime is 121102210079. The reversal of 121102210011 is 110012201121.

It is not a de Polignac number, because 121102210011 - 2³ = 121102210003 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121102220011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5770 + ... + 492176.

It is an arithmetic number, because the mean of its divisors is an integer number (10369245744).

Almost surely, 2^121102210011 is an apocalyptic number.

121102210011 is a deficient number, since it is larger than the sum of its proper divisors (44805721893).

121102210011 is a wasteful number, since it uses less digits than its factorization.

121102210011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 488690.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 121102210011 its reverse (110012201121), we get a palindrome (231114411132).

The spelling of 121102210011 in words is "one hundred twenty-one billion, one hundred two million, two hundred ten thousand, eleven".