1406120021311 has 2 divisors, whose sum is σ = 1406120021312. Its totient is φ = 1406120021310.

The previous prime is 1406120021279. The next prime is 1406120021393. The reversal of 1406120021311 is 1131200216041.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1406120021311 - 2⁵ = 1406120021279 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1406120021611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 703060010655 + 703060010656.

It is an arithmetic number, because the mean of its divisors is an integer number (703060010656).

Almost surely, 2^{1406120021311} is an apocalyptic number.

1406120021311 is a deficient number, since it is larger than the sum of its proper divisors (1).

1406120021311 is an equidigital number, since it uses as much as digits as its factorization.

1406120021311 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 22.

Adding to 1406120021311 its reverse (1131200216041), we get a palindrome (2537320237352).

The spelling of 1406120021311 in words is "one trillion, four hundred six billion, one hundred twenty million, twenty-one thousand, three hundred eleven".