1303220303121 has 16 divisors (see below), whose sum is σ = 1899058629888. Its totient is φ = 788386544400.

The previous prime is 1303220303101. The next prime is 1303220303131. The reversal of 1303220303121 is 1213030223031.

It is not a de Polignac number, because 1303220303121 - 2²¹ = 1303218205969 is a prime.

It is a super-2 number, since 2×1303220303121² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1303220303101) 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, 36080235 + ... + 36116336.

It is an arithmetic number, because the mean of its divisors is an integer number (118691164368).

Almost surely, 2^{1303220303121} is an apocalyptic number.

1303220303121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1303220303121 is a deficient number, since it is larger than the sum of its proper divisors (595838326767).

1303220303121 is a wasteful number, since it uses less digits than its factorization.

1303220303121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72197132.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 1303220303121 its reverse (1213030223031), we get a palindrome (2516250526152).

The spelling of 1303220303121 in words is "one trillion, three hundred three billion, two hundred twenty million, three hundred three thousand, one hundred twenty-one".