1214020111 has 2 divisors, whose sum is σ = 1214020112. Its totient is φ = 1214020110.

The previous prime is 1214020103. The next prime is 1214020139. The reversal of 1214020111 is 1110204121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1214020111 - 2³ = 1214020103 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1214020091 and 1214020100.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1214020151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 607010055 + 607010056.

It is an arithmetic number, because the mean of its divisors is an integer number (607010056).

Almost surely, 2^1214020111 is an apocalyptic number.

1214020111 is a deficient number, since it is larger than the sum of its proper divisors (1).

1214020111 is an equidigital number, since it uses as much as digits as its factorization.

1214020111 is an odious number, because the sum of its binary digits is odd.

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

The square root of 1214020111 is about 34842.7913778446. The cubic root of 1214020111 is about 1066.7810532387.

Adding to 1214020111 its reverse (1110204121), we get a palindrome (2324224232).

The spelling of 1214020111 in words is "one billion, two hundred fourteen million, twenty thousand, one hundred eleven".