2101311201201 has 16 divisors (see below), whose sum is σ = 2949553400640. Its totient is φ = 1326988802880.

The previous prime is 2101311201193. The next prime is 2101311201259. The reversal of 2101311201201 is 1021021131012.

It is not a de Polignac number, because 2101311201201 - 2³ = 2101311201193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2101311201281) 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, 1661410 + ... + 2638731.

It is an arithmetic number, because the mean of its divisors is an integer number (184347087540).

Almost surely, 2^{2101311201201} is an apocalyptic number.

It is an amenable number.

2101311201201 is a deficient number, since it is larger than the sum of its proper divisors (848242199439).

2101311201201 is a wasteful number, since it uses less digits than its factorization.

2101311201201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4308736.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 2101311201201 its reverse (1021021131012), we get a palindrome (3122332332213).

The spelling of 2101311201201 in words is "two trillion, one hundred one billion, three hundred eleven million, two hundred one thousand, two hundred one".