211022200221 has 8 divisors (see below), whose sum is σ = 321557638464. Its totient is φ = 120584114400.

The previous prime is 211022200099. The next prime is 211022200231. The reversal of 211022200221 is 122002220112.

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

It is not a de Polignac number, because 211022200221 - 2⁹ = 211022199709 is a prime.

It is a super-2 number, since 2×211022200221² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 211022200221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211022200231) 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, 5024338080 + ... + 5024338121.

It is an arithmetic number, because the mean of its divisors is an integer number (40194704808).

Almost surely, 2^211022200221 is an apocalyptic number.

211022200221 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

211022200221 is a deficient number, since it is larger than the sum of its proper divisors (110535438243).

211022200221 is a wasteful number, since it uses less digits than its factorization.

211022200221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10048676211.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 211022200221 its reverse (122002220112), we get a palindrome (333024420333).

The spelling of 211022200221 in words is "two hundred eleven billion, twenty-two million, two hundred thousand, two hundred twenty-one".