1300211011021 has 8 divisors (see below), whose sum is σ = 1448510941080. Its totient is φ = 1158808752192.

The previous prime is 1300211010893. The next prime is 1300211011087. The reversal of 1300211011021 is 1201101120031.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 21841588521 + 1278369422500 = 147789^2 + 1130650^2 .

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

It is not a de Polignac number, because 1300211011021 - 2⁷ = 1300211010893 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1300211010992 and 1300211011010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1300211012021) 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, 1724417410 + ... + 1724418163.

It is an arithmetic number, because the mean of its divisors is an integer number (181063867635).

Almost surely, 2^{1300211011021} is an apocalyptic number.

It is an amenable number.

1300211011021 is a deficient number, since it is larger than the sum of its proper divisors (148299930059).

1300211011021 is a wasteful number, since it uses less digits than its factorization.

1300211011021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3448835615.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 1300211011021 its reverse (1201101120031), we get a palindrome (2501312131052).

The spelling of 1300211011021 in words is "one trillion, three hundred billion, two hundred eleven million, eleven thousand, twenty-one".