210101121201 has 8 divisors (see below), whose sum is σ = 280136981664. Its totient is φ = 140066337440.

The previous prime is 210101121179. The next prime is 210101121229. The reversal of 210101121201 is 102121101012.

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 210101121201 - 2¹¹ = 210101119153 is a prime.

It is a super-3 number, since 3×210101121201³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (210101121101) 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, 500725 + ... + 819101.

It is an arithmetic number, because the mean of its divisors is an integer number (35017122708).

Almost surely, 2^210101121201 is an apocalyptic number.

It is an amenable number.

210101121201 is a deficient number, since it is larger than the sum of its proper divisors (70035860463).

210101121201 is a wasteful number, since it uses less digits than its factorization.

210101121201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 538351.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 210101121201 its reverse (102121101012), we get a palindrome (312222222213).

It can be divided in two parts, 2101011 and 21201, that added together give a palindrome (2122212).

The spelling of 210101121201 in words is "two hundred ten billion, one hundred one million, one hundred twenty-one thousand, two hundred one".