1303012211021 has 16 divisors (see below), whose sum is σ = 1385403917184. Its totient is φ = 1222768307904.

The previous prime is 1303012211009. The next prime is 1303012211027. The reversal of 1303012211021 is 1201122103031.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1303012211021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1303012211027) 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, 37182710 + ... + 37217736.

It is an arithmetic number, because the mean of its divisors is an integer number (86587744824).

Almost surely, 2^{1303012211021} is an apocalyptic number.

It is an amenable number.

1303012211021 is a deficient number, since it is larger than the sum of its proper divisors (82391706163).

1303012211021 is a wasteful number, since it uses less digits than its factorization.

1303012211021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65620.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 1303012211021 its reverse (1201122103031), we get a palindrome (2504134314052).

The spelling of 1303012211021 in words is "one trillion, three hundred three billion, twelve million, two hundred eleven thousand, twenty-one".