1302201112021 has 8 divisors (see below), whose sum is σ = 1379018871000. Its totient is φ = 1225407541248.

The previous prime is 1302201111943. The next prime is 1302201112049. The reversal of 1302201112021 is 1202111022031.

It can be written as a sum of positive squares in 4 ways, for example, as 604951061796 + 697250050225 = 777786^2 + 835015^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1302201112021 - 2¹⁹ = 1302200587733 is a prime.

It is a super-2 number, since 2×1302201112021² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1302201111986 and 1302201112004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1302201112621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5936146 + ... + 6151603.

It is an arithmetic number, because the mean of its divisors is an integer number (172377358875).

Almost surely, 2^{1302201112021} is an apocalyptic number.

It is an amenable number.

1302201112021 is a deficient number, since it is larger than the sum of its proper divisors (76817758979).

1302201112021 is a wasteful number, since it uses less digits than its factorization.

1302201112021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12094103.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 1302201112021 its reverse (1202111022031), we get a palindrome (2504312134052).

The spelling of 1302201112021 in words is "one trillion, three hundred two billion, two hundred one million, one hundred twelve thousand, twenty-one".