211010222021 has 16 divisors (see below), whose sum is σ = 228982877760. Its totient is φ = 193786369920.

The previous prime is 211010221991. The next prime is 211010222107. The reversal of 211010222021 is 120222010112.

It is a cyclic number.

It is not a de Polignac number, because 211010222021 - 2³⁰ = 209936480197 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 211010221987 and 211010222005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211010222321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 740351 + ... + 984956.

It is an arithmetic number, because the mean of its divisors is an integer number (14311429860).

Almost surely, 2^211010222021 is an apocalyptic number.

It is an amenable number.

211010222021 is a deficient number, since it is larger than the sum of its proper divisors (17972655739).

211010222021 is a wasteful number, since it uses less digits than its factorization.

211010222021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1725524.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 211010222021 its reverse (120222010112), we get a palindrome (331232232133).

The spelling of 211010222021 in words is "two hundred eleven billion, ten million, two hundred twenty-two thousand, twenty-one".