211222120210102 has 64 divisors (see below), whose sum is σ = 321701124096000. Its totient is φ = 104005636416000.

The previous prime is 211222120210099. The next prime is 211222120210121. The reversal of 211222120210102 is 201012021222112.

It is a super-2 number, since 2×211222120210102² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 211222120210102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24164521452 + ... + 24164530192.

It is an arithmetic number, because the mean of its divisors is an integer number (5026580064000).

Almost surely, 2^{211222120210102} is an apocalyptic number.

211222120210102 is a deficient number, since it is larger than the sum of its proper divisors (110479003885898).

211222120210102 is a wasteful number, since it uses less digits than its factorization.

211222120210102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10693.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 211222120210102 its reverse (201012021222112), we get a palindrome (412234141432214).

The spelling of 211222120210102 in words is "two hundred eleven trillion, two hundred twenty-two billion, one hundred twenty million, two hundred ten thousand, one hundred two".