2112210202111 has 2 divisors, whose sum is σ = 2112210202112. Its totient is φ = 2112210202110.

The previous prime is 2112210202073. The next prime is 2112210202127. The reversal of 2112210202111 is 1112020122112.

It is an a-pointer prime, because the next prime (2112210202127) can be obtained adding 2112210202111 to its sum of digits (16).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2112210202111 - 2¹¹ = 2112210200063 is a prime.

It is a super-2 number, since 2×2112210202111² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2112210203111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1056105101055 + 1056105101056.

It is an arithmetic number, because the mean of its divisors is an integer number (1056105101056).

Almost surely, 2^{2112210202111} is an apocalyptic number.

2112210202111 is a deficient number, since it is larger than the sum of its proper divisors (1).

2112210202111 is an equidigital number, since it uses as much as digits as its factorization.

2112210202111 is an evil number, because the sum of its binary digits is even.

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

Adding to 2112210202111 its reverse (1112020122112), we get a palindrome (3224230324223).

The spelling of 2112210202111 in words is "two trillion, one hundred twelve billion, two hundred ten million, two hundred two thousand, one hundred eleven".