201102000121001 has 12 divisors (see below), whose sum is σ = 233935214965380. Its totient is φ = 172372969631520.

The previous prime is 201102000120971. The next prime is 201102000121003. The reversal of 201102000121001 is 100121000201102.

It can be written as a sum of positive squares in 2 ways, for example, as 189161512960000 + 11940487161001 = 13753600^2 + 3455501^2 .

It is not a de Polignac number, because 201102000121001 - 2²² = 201101995926697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201102000121003) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 80671895 + ... + 83127363.

It is an arithmetic number, because the mean of its divisors is an integer number (19494601247115).

Almost surely, 2^{201102000121001} is an apocalyptic number.

It is an amenable number.

201102000121001 is a deficient number, since it is larger than the sum of its proper divisors (32833214844379).

201102000121001 is a wasteful number, since it uses less digits than its factorization.

201102000121001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4126904 (or 4126897 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 201102000121001 its reverse (100121000201102), we get a palindrome (301223000322103).

The spelling of 201102000121001 in words is "two hundred one trillion, one hundred two billion, one hundred twenty-one thousand, one".