2121210011201 has 8 divisors (see below), whose sum is σ = 2124899025984. Its totient is φ = 2117523520080.

The previous prime is 2121210011189. The next prime is 2121210011231. The reversal of 2121210011201 is 1021100121212.

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 2121210011201 - 2¹⁴ = 2121209994817 is a prime.

It is a super-3 number, since 3×2121210011201³ (a number of 38 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2121210011231) 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, 1055516 + ... + 2314418.

It is an arithmetic number, because the mean of its divisors is an integer number (265612378248).

Almost surely, 2^{2121210011201} is an apocalyptic number.

It is an amenable number.

2121210011201 is a deficient number, since it is larger than the sum of its proper divisors (3689014783).

2121210011201 is a wasteful number, since it uses less digits than its factorization.

2121210011201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1261831.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 2121210011201 its reverse (1021100121212), we get a palindrome (3142310132413).

The spelling of 2121210011201 in words is "two trillion, one hundred twenty-one billion, two hundred ten million, eleven thousand, two hundred one".