211211222102210 has 32 divisors (see below), whose sum is σ = 415137405312000. Its totient is φ = 76730864248960.

The previous prime is 211211222102201. The next prime is 211211222102273. The reversal of 211211222102210 is 12201222112112.

It is a super-2 number, since 2×211211222102210² (a number of 29 digits) contains 22 as substring.

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, 915090530 + ... + 915321309.

It is an arithmetic number, because the mean of its divisors is an integer number (12973043916000).

Almost surely, 2^{211211222102210} is an apocalyptic number.

211211222102210 is a deficient number, since it is larger than the sum of its proper divisors (203926183209790).

211211222102210 is a wasteful number, since it uses less digits than its factorization.

211211222102210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1830412906.

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

Adding to 211211222102210 its reverse (12201222112112), we get a palindrome (223412444214322).

The spelling of 211211222102210 in words is "two hundred eleven trillion, two hundred eleven billion, two hundred twenty-two million, one hundred two thousand, two hundred ten".