1214144102021 has 12 divisors (see below), whose sum is σ = 1312663614444. Its totient is φ = 1122187089600.

The previous prime is 1214144102011. The next prime is 1214144102047. The reversal of 1214144102021 is 1202014414121.

It can be written as a sum of positive squares in 2 ways, for example, as 355500945121 + 858643156900 = 596239^2 + 926630^2 .

It is not a de Polignac number, because 1214144102021 - 2¹⁰ = 1214144100997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1214144102011) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 41000810 + ... + 41030411.

It is an arithmetic number, because the mean of its divisors is an integer number (109388634537).

Almost surely, 2^{1214144102021} is an apocalyptic number.

It is an amenable number.

1214144102021 is a deficient number, since it is larger than the sum of its proper divisors (98519512423).

1214144102021 is an equidigital number, since it uses as much as digits as its factorization.

1214144102021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82031300 (or 82031281 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 23.

Adding to 1214144102021 its reverse (1202014414121), we get a palindrome (2416158516142).

The spelling of 1214144102021 in words is "one trillion, two hundred fourteen billion, one hundred forty-four million, one hundred two thousand, twenty-one".