2100001201201 has 8 divisors (see below), whose sum is σ = 2120865511464. Its totient is φ = 2079138307200.

The previous prime is 2100001201141. The next prime is 2100001201267. The reversal of 2100001201201 is 1021021000012.

It can be written as a sum of positive squares in 4 ways, for example, as 1150204770576 + 949796430625 = 1072476^2 + 974575^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2100001201201 - 2⁷ = 2100001201073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2100001201901) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2761731 + ... + 3439063.

It is an arithmetic number, because the mean of its divisors is an integer number (265108188933).

Almost surely, 2^{2100001201201} is an apocalyptic number.

It is an amenable number.

2100001201201 is a deficient number, since it is larger than the sum of its proper divisors (20864310263).

2100001201201 is a wasteful number, since it uses less digits than its factorization.

2100001201201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 708131.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 2100001201201 its reverse (1021021000012), we get a palindrome (3121022201213).

The spelling of 2100001201201 in words is "two trillion, one hundred billion, one million, two hundred one thousand, two hundred one".