211200210021021 has 8 divisors (see below), whose sum is σ = 303261840030240. Its totient is φ = 129969360012912.

The previous prime is 211200210020941. The next prime is 211200210021029. The reversal of 211200210021021 is 120120012002112.

211200210021021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 211200210021021 - 2¹⁵ = 211200209988253 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211200210021029) 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, 2707695000231 + ... + 2707695000308.

It is an arithmetic number, because the mean of its divisors is an integer number (37907730003780).

Almost surely, 2^{211200210021021} is an apocalyptic number.

It is an amenable number.

211200210021021 is a deficient number, since it is larger than the sum of its proper divisors (92061630009219).

211200210021021 is a wasteful number, since it uses less digits than its factorization.

211200210021021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5415390000555.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 211200210021021 its reverse (120120012002112), we get a palindrome (331320222023133).

The spelling of 211200210021021 in words is "two hundred eleven trillion, two hundred billion, two hundred ten million, twenty-one thousand, twenty-one".