211222021030 has 32 divisors (see below), whose sum is σ = 380765157696. Its totient is φ = 84363239424.

The previous prime is 211222021001. The next prime is 211222021057. The reversal of 211222021030 is 30120222112.

It is a happy number.

It is a super-2 number, since 2×211222021030² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 211222020995 and 211222021013.

It is a congruent number.

It is an unprimeable number.

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, 21621207 + ... + 21630973.

It is an arithmetic number, because the mean of its divisors is an integer number (11898911178).

Almost surely, 2^211222021030 is an apocalyptic number.

211222021030 is a deficient number, since it is larger than the sum of its proper divisors (169543136666).

211222021030 is a wasteful number, since it uses less digits than its factorization.

211222021030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12768.

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

Adding to 211222021030 its reverse (30120222112), we get a palindrome (241342243142).

The spelling of 211222021030 in words is "two hundred eleven billion, two hundred twenty-two million, twenty-one thousand, thirty".