211011202121001 has 8 divisors (see below), whose sum is σ = 281408399513280. Its totient is φ = 140644069738032.

The previous prime is 211011202120937. The next prime is 211011202121017. The reversal of 211011202121001 is 100121202110112.

It is a happy number.

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

It is not a de Polignac number, because 211011202121001 - 2⁶ = 211011202120937 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (211011202121051) 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, 7516235950 + ... + 7516264023.

It is an arithmetic number, because the mean of its divisors is an integer number (35176049939160).

Almost surely, 2^{211011202121001} is an apocalyptic number.

It is an amenable number.

211011202121001 is a deficient number, since it is larger than the sum of its proper divisors (70397197392279).

211011202121001 is a wasteful number, since it uses less digits than its factorization.

211011202121001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15032504655.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 211011202121001 its reverse (100121202110112), we get a palindrome (311132404231113).

The spelling of 211011202121001 in words is "two hundred eleven trillion, eleven billion, two hundred two million, one hundred twenty-one thousand, one".