201121121102 has 16 divisors (see below), whose sum is σ = 335316862512. Its totient is φ = 89693809920.

The previous prime is 201121121051. The next prime is 201121121189.

201121121102 is nontrivially palindromic in base 10.

201121121102 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86242883 + ... + 86245214.

It is an arithmetic number, because the mean of its divisors is an integer number (20957303907).

Almost surely, 2^201121121102 is an apocalyptic number.

201121121102 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

201121121102 is a deficient number, since it is larger than the sum of its proper divisors (134195741410).

201121121102 is a wasteful number, since it uses less digits than its factorization.

201121121102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172488163.

The product of its (nonzero) digits is 16, while the sum is 14.

It can be divided in two parts, 201121 and 121102, that added together give a palindrome (322223).

The spelling of 201121121102 in words is "two hundred one billion, one hundred twenty-one million, one hundred twenty-one thousand, one hundred two".