1021244061005 has 16 divisors (see below), whose sum is σ = 1400955659904. Its totient is φ = 700085453760.

The previous prime is 1021244060987. The next prime is 1021244061049. The reversal of 1021244061005 is 5001604421201.

It is not a de Polignac number, because 1021244061005 - 2¹⁰ = 1021244059981 is a prime.

It is a super-2 number, since 2×1021244061005² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3960482 + ... + 4210451.

It is an arithmetic number, because the mean of its divisors is an integer number (87559728744).

Almost surely, 2^{1021244061005} is an apocalyptic number.

It is an amenable number.

1021244061005 is a deficient number, since it is larger than the sum of its proper divisors (379711598899).

1021244061005 is an equidigital number, since it uses as much as digits as its factorization.

1021244061005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8174516.

The product of its (nonzero) digits is 1920, while the sum is 26.

Adding to 1021244061005 its reverse (5001604421201), we get a palindrome (6022848482206).

The spelling of 1021244061005 in words is "one trillion, twenty-one billion, two hundred forty-four million, sixty-one thousand, five".