1020210020011 has 32 divisors (see below), whose sum is σ = 1259952519168. Its totient is φ = 804431399040.

The previous prime is 1020210019973. The next prime is 1020210020051. The reversal of 1020210020011 is 1100200120201.

It is a cyclic number.

It is not a de Polignac number, because 1020210020011 - 2²⁷ = 1020075802283 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1020210020011.

It is not an unprimeable number, because it can be changed into a prime (1020210020051) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 65135521 + ... + 65151181.

It is an arithmetic number, because the mean of its divisors is an integer number (39373516224).

Almost surely, 2^{1020210020011} is an apocalyptic number.

1020210020011 is a deficient number, since it is larger than the sum of its proper divisors (239742499157).

1020210020011 is a wasteful number, since it uses less digits than its factorization.

1020210020011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18091.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 1020210020011 its reverse (1100200120201), we get a palindrome (2120410140212).

The spelling of 1020210020011 in words is "one trillion, twenty billion, two hundred ten million, twenty thousand, eleven".