201201102202101 has 16 divisors (see below), whose sum is σ = 280122268876800. Its totient is φ = 128214931022640.

The previous prime is 201201102202099. The next prime is 201201102202127. The reversal of 201201102202101 is 101202201102102.

It is not a de Polignac number, because 201201102202101 - 2¹ = 201201102202099 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201201102202141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 991046701 + ... + 991249698.

It is an arithmetic number, because the mean of its divisors is an integer number (17507641804800).

Almost surely, 2^{201201102202101} is an apocalyptic number.

It is an amenable number.

201201102202101 is a deficient number, since it is larger than the sum of its proper divisors (78921166674699).

201201102202101 is a wasteful number, since it uses less digits than its factorization.

201201102202101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1982297896.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 201201102202101 its reverse (101202201102102), we get a palindrome (302403303304203).

The spelling of 201201102202101 in words is "two hundred one trillion, two hundred one billion, one hundred two million, two hundred two thousand, one hundred one".