1303220032121 has 16 divisors (see below), whose sum is σ = 1554452373504. Its totient is φ = 1068271064784.

The previous prime is 1303220032117. The next prime is 1303220032129. The reversal of 1303220032121 is 1212300223031.

It is not a de Polignac number, because 1303220032121 - 2² = 1303220032117 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1303220032093 and 1303220032102.

It is not an unprimeable number, because it can be changed into a prime (1303220032129) 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, 48596 + ... + 1615178.

It is an arithmetic number, because the mean of its divisors is an integer number (97153273344).

Almost surely, 2^{1303220032121} is an apocalyptic number.

It is an amenable number.

1303220032121 is a deficient number, since it is larger than the sum of its proper divisors (251232341383).

1303220032121 is a wasteful number, since it uses less digits than its factorization.

1303220032121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1571780.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 1303220032121 its reverse (1212300223031), we get a palindrome (2515520255152).

The spelling of 1303220032121 in words is "one trillion, three hundred three billion, two hundred twenty million, thirty-two thousand, one hundred twenty-one".