201120101010101 has 48 divisors (see below), whose sum is σ = 255151102752000. Its totient is φ = 157108064061312.

The previous prime is 201120101010089. The next prime is 201120101010107. The reversal of 201120101010101 is 101010101021102.

It is a de Polignac number, because none of the positive numbers 2^k-201120101010101 is a prime.

201120101010101 is a modest number, since divided by 101010101 gives 20112 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201120101010107) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1897073771 + ... + 1897179783.

It is an arithmetic number, because the mean of its divisors is an integer number (5315647974000).

Almost surely, 2^{201120101010101} is an apocalyptic number.

It is an amenable number.

201120101010101 is a deficient number, since it is larger than the sum of its proper divisors (54031001741899).

201120101010101 is a wasteful number, since it uses less digits than its factorization.

201120101010101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143818 (or 143811 counting only the distinct ones).

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

Adding to 201120101010101 its reverse (101010101021102), we get a palindrome (302130202031203).

The spelling of 201120101010101 in words is "two hundred one trillion, one hundred twenty billion, one hundred one million, ten thousand, one hundred one".