1021214144211 has 4 divisors (see below), whose sum is σ = 1361618858952. Its totient is φ = 680809429472.

The previous prime is 1021214144183. The next prime is 1021214144239. The reversal of 1021214144211 is 1124414121201.

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

It is an interprime number because it is at equal distance from previous prime (1021214144183) and next prime (1021214144239).

It is a cyclic number.

It is not a de Polignac number, because 1021214144211 - 2⁹ = 1021214143699 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1021214144711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 170202357366 + ... + 170202357371.

It is an arithmetic number, because the mean of its divisors is an integer number (340404714738).

Almost surely, 2^{1021214144211} is an apocalyptic number.

1021214144211 is a deficient number, since it is larger than the sum of its proper divisors (340404714741).

1021214144211 is an equidigital number, since it uses as much as digits as its factorization.

1021214144211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340404714740.

The product of its (nonzero) digits is 512, while the sum is 24.

Adding to 1021214144211 its reverse (1124414121201), we get a palindrome (2145628265412).

The spelling of 1021214144211 in words is "one trillion, twenty-one billion, two hundred fourteen million, one hundred forty-four thousand, two hundred eleven".