1214210011 has 4 divisors (see below), whose sum is σ = 1387668592. Its totient is φ = 1040751432.

The previous prime is 1214210009. The next prime is 1214210017. The reversal of 1214210011 is 1100124121.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1214210011 - 2¹ = 1214210009 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1214209973 and 1214210000.

It is not an unprimeable number, because it can be changed into a prime (1214210017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86729280 + ... + 86729293.

It is an arithmetic number, because the mean of its divisors is an integer number (346917148).

Almost surely, 2^1214210011 is an apocalyptic number.

1214210011 is a deficient number, since it is larger than the sum of its proper divisors (173458581).

1214210011 is an equidigital number, since it uses as much as digits as its factorization.

1214210011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173458580.

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

The square root of 1214210011 is about 34845.5163686808. The cubic root of 1214210011 is about 1066.8366731740.

Adding to 1214210011 its reverse (1100124121), we get a palindrome (2314334132).

The spelling of 1214210011 in words is "one billion, two hundred fourteen million, two hundred ten thousand, eleven".