201121102124 has 12 divisors (see below), whose sum is σ = 352822474200. Its totient is φ = 100314680928.

The previous prime is 201121102103. The next prime is 201121102129. The reversal of 201121102124 is 421201121102.

201121102124 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×201121102124² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (201121102129) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 61465694 + ... + 61468965.

It is an arithmetic number, because the mean of its divisors is an integer number (29401872850).

Almost surely, 2^201121102124 is an apocalyptic number.

It is an amenable number.

201121102124 is a deficient number, since it is larger than the sum of its proper divisors (151701372076).

201121102124 is a wasteful number, since it uses less digits than its factorization.

201121102124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122935072 (or 122935070 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 201121102124 its reverse (421201121102), we get a palindrome (622322223226).

The spelling of 201121102124 in words is "two hundred one billion, one hundred twenty-one million, one hundred two thousand, one hundred twenty-four".