102101021022043 has 2 divisors, whose sum is σ = 102101021022044. Its totient is φ = 102101021022042.

The previous prime is 102101021021929. The next prime is 102101021022053. The reversal of 102101021022043 is 340220120101201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 102101021022043 - 2¹⁷ = 102101020890971 is a prime.

It is a super-2 number, since 2×102101021022043² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 102101021022043.

It is not a weakly prime, because it can be changed into another prime (102101021022053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51050510511021 + 51050510511022.

It is an arithmetic number, because the mean of its divisors is an integer number (51050510511022).

Almost surely, 2^{102101021022043} is an apocalyptic number.

102101021022043 is a deficient number, since it is larger than the sum of its proper divisors (1).

102101021022043 is an equidigital number, since it uses as much as digits as its factorization.

102101021022043 is an odious number, because the sum of its binary digits is odd.

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

Adding to 102101021022043 its reverse (340220120101201), we get a palindrome (442321141123244).

The spelling of 102101021022043 in words is "one hundred two trillion, one hundred one billion, twenty-one million, twenty-two thousand, forty-three".