1011320221241 has 16 divisors (see below), whose sum is σ = 1123025990400. Its totient is φ = 902938722000.

The previous prime is 1011320221237. The next prime is 1011320221313. The reversal of 1011320221241 is 1421220231101.

It is a cyclic number.

It is not a de Polignac number, because 1011320221241 - 2² = 1011320221237 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1011320221201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59231 + ... + 1423428.

It is an arithmetic number, because the mean of its divisors is an integer number (70189124400).

Almost surely, 2^{1011320221241} is an apocalyptic number.

1011320221241 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1011320221241 is a deficient number, since it is larger than the sum of its proper divisors (111705769159).

1011320221241 is a wasteful number, since it uses less digits than its factorization.

1011320221241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1483780.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 1011320221241 its reverse (1421220231101), we get a palindrome (2432540452342).

The spelling of 1011320221241 in words is "one trillion, eleven billion, three hundred twenty million, two hundred twenty-one thousand, two hundred forty-one".