210020201121211 has 8 divisors (see below), whose sum is σ = 226214590359744. Its totient is φ = 193831381761600.

The previous prime is 210020201121173. The next prime is 210020201121239. The reversal of 210020201121211 is 112121102020012.

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 210020201121211 - 2²¹ = 210020199024059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (210020201821211) 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, 1392391411 + ... + 1392542236.

It is an arithmetic number, because the mean of its divisors is an integer number (28276823794968).

Almost surely, 2^{210020201121211} is an apocalyptic number.

210020201121211 is a deficient number, since it is larger than the sum of its proper divisors (16194389238533).

210020201121211 is a wasteful number, since it uses less digits than its factorization.

210020201121211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2784939461.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 210020201121211 its reverse (112121102020012), we get a palindrome (322141303141223).

The spelling of 210020201121211 in words is "two hundred ten trillion, twenty billion, two hundred one million, one hundred twenty-one thousand, two hundred eleven".