121102000111001 has 32 divisors (see below), whose sum is σ = 157817311964928. Its totient is φ = 90180028753920.

The previous prime is 121102000110991. The next prime is 121102000111007. The reversal of 121102000111001 is 100111000201121.

It is not a de Polignac number, because 121102000111001 - 2¹⁸ = 121101999848857 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121102000111007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 403683581 + ... + 403983461.

It is an arithmetic number, because the mean of its divisors is an integer number (4931790998904).

Almost surely, 2^{121102000111001} is an apocalyptic number.

It is an amenable number.

121102000111001 is a deficient number, since it is larger than the sum of its proper divisors (36715311853927).

121102000111001 is a wasteful number, since it uses less digits than its factorization.

121102000111001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 560961.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 121102000111001 its reverse (100111000201121), we get a palindrome (221213000312122).

The spelling of 121102000111001 in words is "one hundred twenty-one trillion, one hundred two billion, one hundred eleven thousand, one".