1333320211997 has 2 divisors, whose sum is σ = 1333320211998. Its totient is φ = 1333320211996.

The previous prime is 1333320211933. The next prime is 1333320212017. The reversal of 1333320211997 is 7991120233331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 841422778681 + 491897433316 = 917291^2 + 701354^2 .

It is a cyclic number.

It is not a de Polignac number, because 1333320211997 - 2⁶ = 1333320211933 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1333320211697) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 666660105998 + 666660105999.

It is an arithmetic number, because the mean of its divisors is an integer number (666660105999).

Almost surely, 2^{1333320211997} is an apocalyptic number.

It is an amenable number.

1333320211997 is a deficient number, since it is larger than the sum of its proper divisors (1).

1333320211997 is an equidigital number, since it uses as much as digits as its factorization.

1333320211997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 183708, while the sum is 44.

The spelling of 1333320211997 in words is "one trillion, three hundred thirty-three billion, three hundred twenty million, two hundred eleven thousand, nine hundred ninety-seven".