1020210231011 has 2 divisors, whose sum is σ = 1020210231012. Its totient is φ = 1020210231010.

The previous prime is 1020210230957. The next prime is 1020210231049. The reversal of 1020210231011 is 1101320120201.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1020210231011 is a prime.

It is not a weakly prime, because it can be changed into another prime (1020210231071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510105115505 + 510105115506.

It is an arithmetic number, because the mean of its divisors is an integer number (510105115506).

Almost surely, 2^{1020210231011} is an apocalyptic number.

1020210231011 is a deficient number, since it is larger than the sum of its proper divisors (1).

1020210231011 is an equidigital number, since it uses as much as digits as its factorization.

1020210231011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 1020210231011 its reverse (1101320120201), we get a palindrome (2121530351212).

The spelling of 1020210231011 in words is "one trillion, twenty billion, two hundred ten million, two hundred thirty-one thousand, eleven".