1021044101244 has 24 divisors (see below), whose sum is σ = 2390096811648. Its totient is φ = 339253665840.

The previous prime is 1021044101227. The next prime is 1021044101267. The reversal of 1021044101244 is 4421014401201.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 136792102 + ... + 136799565.

It is an arithmetic number, because the mean of its divisors is an integer number (99587367152).

Almost surely, 2^{1021044101244} is an apocalyptic number.

It is an amenable number.

1021044101244 is an abundant number, since it is smaller than the sum of its proper divisors (1369052710404).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1021044101244 is a wasteful number, since it uses less digits than its factorization.

1021044101244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273591985 (or 273591983 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 24.

Adding to 1021044101244 its reverse (4421014401201), we get a palindrome (5442058502445).

The spelling of 1021044101244 in words is "one trillion, twenty-one billion, forty-four million, one hundred one thousand, two hundred forty-four".