1021102333081 has 2 divisors, whose sum is σ = 1021102333082. Its totient is φ = 1021102333080.

The previous prime is 1021102333079. The next prime is 1021102333127. The reversal of 1021102333081 is 1803332011201.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 824356859481 + 196745473600 = 907941^2 + 443560^2 .

It is a cyclic number.

It is not a de Polignac number, because 1021102333081 - 2¹ = 1021102333079 is a prime.

It is a super-2 number, since 2×1021102333081² (a number of 25 digits) contains 22 as substring.

Together with 1021102333079, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1021102336081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510551166540 + 510551166541.

It is an arithmetic number, because the mean of its divisors is an integer number (510551166541).

Almost surely, 2^{1021102333081} is an apocalyptic number.

It is an amenable number.

1021102333081 is a deficient number, since it is larger than the sum of its proper divisors (1).

1021102333081 is an equidigital number, since it uses as much as digits as its factorization.

1021102333081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 25.

Adding to 1021102333081 its reverse (1803332011201), we get a palindrome (2824434344282).

The spelling of 1021102333081 in words is "one trillion, twenty-one billion, one hundred two million, three hundred thirty-three thousand, eighty-one".