2102220001111 has 2 divisors, whose sum is σ = 2102220001112. Its totient is φ = 2102220001110.

The previous prime is 2102220001097. The next prime is 2102220001163. The reversal of 2102220001111 is 1111000222012.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2102220001111 - 2¹¹ = 2102219999063 is a prime.

It is a super-2 number, since 2×2102220001111² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2102220001091 and 2102220001100.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2102220004111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1051110000555 + 1051110000556.

It is an arithmetic number, because the mean of its divisors is an integer number (1051110000556).

Almost surely, 2^{2102220001111} is an apocalyptic number.

2102220001111 is a deficient number, since it is larger than the sum of its proper divisors (1).

2102220001111 is an equidigital number, since it uses as much as digits as its factorization.

2102220001111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 2102220001111 its reverse (1111000222012), we get a palindrome (3213220223123).

The spelling of 2102220001111 in words is "two trillion, one hundred two billion, two hundred twenty million, one thousand, one hundred eleven".