211022222012210 has 32 divisors (see below), whose sum is σ = 434107558334592. Its totient is φ = 72349692514560.

The previous prime is 211022222012083. The next prime is 211022222012227. The reversal of 211022222012210 is 12210222220112.

It is a super-2 number, since 2×211022222012210² (a number of 29 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9797276 + ... + 22760295.

It is an arithmetic number, because the mean of its divisors is an integer number (13565861197956).

Almost surely, 2^{211022222012210} is an apocalyptic number.

211022222012210 is an abundant number, since it is smaller than the sum of its proper divisors (223085336322382).

211022222012210 is a wasteful number, since it uses less digits than its factorization.

211022222012210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32650178.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 211022222012210 its reverse (12210222220112), we get a palindrome (223232444232322).

The spelling of 211022222012210 in words is "two hundred eleven trillion, twenty-two billion, two hundred twenty-two million, twelve thousand, two hundred ten".