1203021111320 has 64 divisors (see below), whose sum is σ = 3096994824000. Its totient is φ = 411996119040.

The previous prime is 1203021111217. The next prime is 1203021111329. The reversal of 1203021111320 is 231111203021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1203021111329) 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, 2191745 + ... + 2685104.

It is an arithmetic number, because the mean of its divisors is an integer number (48390544125).

Almost surely, 2^{1203021111320} is an apocalyptic number.

1203021111320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1203021111320 is an abundant number, since it is smaller than the sum of its proper divisors (1893973712680).

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

1203021111320 is a wasteful number, since it uses less digits than its factorization.

1203021111320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4877748 (or 4877744 counting only the distinct ones).

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

Adding to 1203021111320 its reverse (231111203021), we get a palindrome (1434132314341).

The spelling of 1203021111320 in words is "one trillion, two hundred three billion, twenty-one million, one hundred eleven thousand, three hundred twenty".