1421202021241 has 4 divisors (see below), whose sum is σ = 1435273328484. Its totient is φ = 1407130714000.

The previous prime is 1421202021199. The next prime is 1421202021259.

1421202021241 is nontrivially palindromic in base 10.

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

It can be written as a sum of positive squares in 2 ways, for example, as 617946921216 + 803255100025 = 786096^2 + 896245^2 .

It is a cyclic number.

It is not a de Polignac number, because 1421202021241 - 2¹⁷ = 1421201890169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1421202021341) 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, 7035653470 + ... + 7035653671.

It is an arithmetic number, because the mean of its divisors is an integer number (358818332121).

Almost surely, 2^{1421202021241} is an apocalyptic number.

It is an amenable number.

1421202021241 is a deficient number, since it is larger than the sum of its proper divisors (14071307243).

1421202021241 is a wasteful number, since it uses less digits than its factorization.

1421202021241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14071307242.

The product of its (nonzero) digits is 512, while the sum is 22.

The spelling of 1421202021241 in words is "one trillion, four hundred twenty-one billion, two hundred two million, twenty-one thousand, two hundred forty-one".