211121022212210 has 16 divisors (see below), whose sum is σ = 414564916344192. Its totient is φ = 76771280804400.

The previous prime is 211121022212201. The next prime is 211121022212263. The reversal of 211121022212210 is 12212220121112.

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 7 ways as a sum of consecutive naturals, for example, 959641009946 + ... + 959641010165.

It is an arithmetic number, because the mean of its divisors is an integer number (25910307271512).

Almost surely, 2^{211121022212210} is an apocalyptic number.

211121022212210 is a deficient number, since it is larger than the sum of its proper divisors (203443894131982).

211121022212210 is a wasteful number, since it uses less digits than its factorization.

211121022212210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1919282020129.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 211121022212210 its reverse (12212220121112), we get a palindrome (223333242333322).

The spelling of 211121022212210 in words is "two hundred eleven trillion, one hundred twenty-one billion, twenty-two million, two hundred twelve thousand, two hundred ten".