1021244065055 has 8 divisors (see below), whose sum is σ = 1225767863952. Its totient is φ = 816811928128.

The previous prime is 1021244065043. The next prime is 1021244065057. The reversal of 1021244065055 is 5505604421201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1021244065055 - 2¹⁰ = 1021244064031 is a prime.

It is a super-2 number, since 2×1021244065055² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1021244065057) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22890977 + ... + 22935546.

It is an arithmetic number, because the mean of its divisors is an integer number (153220982994).

Almost surely, 2^{1021244065055} is an apocalyptic number.

1021244065055 is a deficient number, since it is larger than the sum of its proper divisors (204523798897).

1021244065055 is an equidigital number, since it uses as much as digits as its factorization.

1021244065055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45830985.

The product of its (nonzero) digits is 48000, while the sum is 35.

Adding to 1021244065055 its reverse (5505604421201), we get a palindrome (6526848486256).

The spelling of 1021244065055 in words is "one trillion, twenty-one billion, two hundred forty-four million, sixty-five thousand, fifty-five".