1212102102211 has 32 divisors (see below), whose sum is σ = 1628415129600. Its totient is φ = 871318097280.

The previous prime is 1212102102161. The next prime is 1212102102331. The reversal of 1212102102211 is 1122012012121.

It is a cyclic number.

It is not a de Polignac number, because 1212102102211 - 2¹⁷ = 1212101971139 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1212102102511) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1307910 + ... + 2033428.

It is an arithmetic number, because the mean of its divisors is an integer number (50887972800).

Almost surely, 2^{1212102102211} is an apocalyptic number.

1212102102211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1212102102211 is a deficient number, since it is larger than the sum of its proper divisors (416313027389).

1212102102211 is a wasteful number, since it uses less digits than its factorization.

1212102102211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 727219.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 1212102102211 its reverse (1122012012121), we get a palindrome (2334114114332).

The spelling of 1212102102211 in words is "one trillion, two hundred twelve billion, one hundred two million, one hundred two thousand, two hundred eleven".