2121010201201 has 8 divisors (see below), whose sum is σ = 2245797571680. Its totient is φ = 1996225282368.

The previous prime is 2121010201181. The next prime is 2121010201231. The reversal of 2121010201201 is 1021020101212.

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 2121010201201 - 2³⁵ = 2086650462833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2121010201231) 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, 1347430 + ... + 2461216.

It is an arithmetic number, because the mean of its divisors is an integer number (280724696460).

Almost surely, 2^{2121010201201} is an apocalyptic number.

It is an amenable number.

2121010201201 is a deficient number, since it is larger than the sum of its proper divisors (124787370479).

2121010201201 is a wasteful number, since it uses less digits than its factorization.

2121010201201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1225823.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 2121010201201 its reverse (1021020101212), we get a palindrome (3142030302413).

The spelling of 2121010201201 in words is "two trillion, one hundred twenty-one billion, ten million, two hundred one thousand, two hundred one".