211000300021222 has 4 divisors (see below), whose sum is σ = 316500450031836. Its totient is φ = 105500150010610.

The previous prime is 211000300021211. The next prime is 211000300021237. The reversal of 211000300021222 is 222120003000112.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×211000300021222² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 211000300021196 and 211000300021205.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52750075005304 + ... + 52750075005307.

It is an arithmetic number, because the mean of its divisors is an integer number (79125112507959).

Almost surely, 2^{211000300021222} is an apocalyptic number.

211000300021222 is a deficient number, since it is larger than the sum of its proper divisors (105500150010614).

211000300021222 is a wasteful number, since it uses less digits than its factorization.

211000300021222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105500150010613.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 211000300021222 its reverse (222120003000112), we get a palindrome (433120303021334).

The spelling of 211000300021222 in words is "two hundred eleven trillion, three hundred million, twenty-one thousand, two hundred twenty-two".