1320102214021 has 8 divisors (see below), whose sum is σ = 1397775671640. Its totient is φ = 1242431021568.

The previous prime is 1320102213923. The next prime is 1320102214129. The reversal of 1320102214021 is 1204122010231.

It can be written as a sum of positive squares in 4 ways, for example, as 15058725796 + 1305043488225 = 122714^2 + 1142385^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1320102214021 - 2¹⁹ = 1320101689733 is a prime.

It is a super-3 number, since 3×1320102214021³ (a number of 37 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1320102214021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1320102212021) 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, 716625 + ... + 1775881.

It is an arithmetic number, because the mean of its divisors is an integer number (174721958955).

Almost surely, 2^{1320102214021} is an apocalyptic number.

It is an amenable number.

1320102214021 is a deficient number, since it is larger than the sum of its proper divisors (77673457619).

1320102214021 is a wasteful number, since it uses less digits than its factorization.

1320102214021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1132583.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 1320102214021 its reverse (1204122010231), we get a palindrome (2524224224252).

The spelling of 1320102214021 in words is "one trillion, three hundred twenty billion, one hundred two million, two hundred fourteen thousand, twenty-one".