211202001021101 has 8 divisors (see below), whose sum is σ = 213294008909208. Its totient is φ = 209110010760000.

The previous prime is 211202001021059. The next prime is 211202001021203. The reversal of 211202001021101 is 101120100202112.

It can be written as a sum of positive squares in 4 ways, for example, as 180576457639876 + 30625543381225 = 13437874^2 + 5534035^2 .

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 211202001021101 - 2²⁶ = 211201933912237 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211202003021101) 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, 20361431 + ... + 28930811.

It is an arithmetic number, because the mean of its divisors is an integer number (26661751113651).

Almost surely, 2^{211202001021101} is an apocalyptic number.

It is an amenable number.

211202001021101 is a deficient number, since it is larger than the sum of its proper divisors (2092007888107).

211202001021101 is a wasteful number, since it uses less digits than its factorization.

211202001021101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8813503.

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

Adding to 211202001021101 its reverse (101120100202112), we get a palindrome (312322101223213).

The spelling of 211202001021101 in words is "two hundred eleven trillion, two hundred two billion, one million, twenty-one thousand, one hundred one".