1202113230021 has 32 divisors (see below), whose sum is σ = 1948221158400. Its totient is φ = 726524011440.

The previous prime is 1202113230013. The next prime is 1202113230037. The reversal of 1202113230021 is 1200323112021.

1202113230021 is a `hidden beast` number, since 120 + 211 + 32 + 300 + 2 + 1 = 666.

It is not a de Polignac number, because 1202113230021 - 2³ = 1202113230013 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1202113229976 and 1202113230003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1202113240021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5530591 + ... + 5743836.

It is an arithmetic number, because the mean of its divisors is an integer number (60881911200).

Almost surely, 2^{1202113230021} is an apocalyptic number.

1202113230021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1202113230021 is a deficient number, since it is larger than the sum of its proper divisors (746107928379).

1202113230021 is a wasteful number, since it uses less digits than its factorization.

1202113230021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11274806 (or 11274800 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 1202113230021 its reverse (1200323112021), we get a palindrome (2402436342042).

The spelling of 1202113230021 in words is "one trillion, two hundred two billion, one hundred thirteen million, two hundred thirty thousand, twenty-one".