211000110202021 has 8 divisors (see below), whose sum is σ = 241147864031040. Its totient is φ = 180853576608768.

The previous prime is 211000110201971. The next prime is 211000110202051. The reversal of 211000110202021 is 120202011000112.

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

It is not a de Polignac number, because 211000110202021 - 2³¹ = 210997962718373 is a prime.

It is a super-3 number, since 3×211000110202021³ (a number of 44 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 211000110201992 and 211000110202010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211000110202051) 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, 304688371 + ... + 305380096.

It is an arithmetic number, because the mean of its divisors is an integer number (30143483003880).

Almost surely, 2^{211000110202021} is an apocalyptic number.

It is an amenable number.

211000110202021 is a deficient number, since it is larger than the sum of its proper divisors (30147753829019).

211000110202021 is an equidigital number, since it uses as much as digits as its factorization.

211000110202021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 610117883.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 211000110202021 its reverse (120202011000112), we get a palindrome (331202121202133).

The spelling of 211000110202021 in words is "two hundred eleven trillion, one hundred ten million, two hundred two thousand, twenty-one".