1020200210111 has 4 divisors (see below), whose sum is σ = 1024169860992. Its totient is φ = 1016230559232.

The previous prime is 1020200210041. The next prime is 1020200210147. The reversal of 1020200210111 is 1110120020201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1020200210111 - 2¹⁰ = 1020200209087 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1020200210092 and 1020200210101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020280210111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1984825055 + ... + 1984825568.

It is an arithmetic number, because the mean of its divisors is an integer number (256042465248).

Almost surely, 2^{1020200210111} is an apocalyptic number.

1020200210111 is a deficient number, since it is larger than the sum of its proper divisors (3969650881).

1020200210111 is an equidigital number, since it uses as much as digits as its factorization.

1020200210111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3969650880.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 1020200210111 its reverse (1110120020201), we get a palindrome (2130320230312).

The spelling of 1020200210111 in words is "one trillion, twenty billion, two hundred million, two hundred ten thousand, one hundred eleven".