1020214333991 has 2 divisors, whose sum is σ = 1020214333992. Its totient is φ = 1020214333990.

The previous prime is 1020214333987. The next prime is 1020214334003. The reversal of 1020214333991 is 1993334120201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1020214333991 - 2² = 1020214333987 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1020214333961) 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 as a sum of consecutive naturals, namely, 510107166995 + 510107166996.

It is an arithmetic number, because the mean of its divisors is an integer number (510107166996).

Almost surely, 2^{1020214333991} is an apocalyptic number.

1020214333991 is a deficient number, since it is larger than the sum of its proper divisors (1).

1020214333991 is an equidigital number, since it uses as much as digits as its factorization.

1020214333991 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34992, while the sum is 38.

The spelling of 1020214333991 in words is "one trillion, twenty billion, two hundred fourteen million, three hundred thirty-three thousand, nine hundred ninety-one".