1214210431011 has 4 divisors (see below), whose sum is σ = 1618947241352. Its totient is φ = 809473620672.

The previous prime is 1214210431009. The next prime is 1214210431081. The reversal of 1214210431011 is 1101340124121.

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

It is not a de Polignac number, because 1214210431011 - 2¹ = 1214210431009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1214210431081) 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, 202368405166 + ... + 202368405171.

It is an arithmetic number, because the mean of its divisors is an integer number (404736810338).

Almost surely, 2^{1214210431011} is an apocalyptic number.

1214210431011 is a deficient number, since it is larger than the sum of its proper divisors (404736810341).

1214210431011 is an equidigital number, since it uses as much as digits as its factorization.

1214210431011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 404736810340.

The product of its (nonzero) digits is 192, while the sum is 21.

Adding to 1214210431011 its reverse (1101340124121), we get a palindrome (2315550555132).

The spelling of 1214210431011 in words is "one trillion, two hundred fourteen billion, two hundred ten million, four hundred thirty-one thousand, eleven".