1001020102111 has 2 divisors, whose sum is σ = 1001020102112. Its totient is φ = 1001020102110.

The previous prime is 1001020102109. The next prime is 1001020102129. The reversal of 1001020102111 is 1112010201001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1001020102111 - 2¹ = 1001020102109 is a prime.

Together with 1001020102109, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1001021102111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500510051055 + 500510051056.

It is an arithmetic number, because the mean of its divisors is an integer number (500510051056).

Almost surely, 2^{1001020102111} is an apocalyptic number.

1001020102111 is a deficient number, since it is larger than the sum of its proper divisors (1).

1001020102111 is an equidigital number, since it uses as much as digits as its factorization.

1001020102111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 1001020102111 its reverse (1112010201001), we get a palindrome (2113030303112).

The spelling of 1001020102111 in words is "one trillion, one billion, twenty million, one hundred two thousand, one hundred eleven".