1021241001023 has 4 divisors (see below), whose sum is σ = 1021480115808. Its totient is φ = 1021001886240.

The previous prime is 1021241000971. The next prime is 1021241001091. The reversal of 1021241001023 is 3201001421201.

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

It is a cyclic number.

It is not a de Polignac number, because 1021241001023 - 2⁶ = 1021241000959 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1021241000992 and 1021241001010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1021241001323) 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, 119550986 + ... + 119559527.

It is an arithmetic number, because the mean of its divisors is an integer number (255370028952).

Almost surely, 2^{1021241001023} is an apocalyptic number.

1021241001023 is a deficient number, since it is larger than the sum of its proper divisors (239114785).

1021241001023 is an equidigital number, since it uses as much as digits as its factorization.

1021241001023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239114784.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 1021241001023 its reverse (3201001421201), we get a palindrome (4222242422224).

The spelling of 1021241001023 in words is "one trillion, twenty-one billion, two hundred forty-one million, one thousand, twenty-three".