210020020000011 has 12 divisors (see below), whose sum is σ = 326697808889088. Its totient is φ = 129243089230704.

The previous prime is 210020019999997. The next prime is 210020020000069. The reversal of 210020020000011 is 110000020020012.

It is not a de Polignac number, because 210020020000011 - 2¹⁸ = 210020019737867 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 210020019999948 and 210020020000002.

It is not an unprimeable number, because it can be changed into a prime (210020020002011) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 897521452875 + ... + 897521453108.

It is an arithmetic number, because the mean of its divisors is an integer number (27224817407424).

Almost surely, 2^{210020020000011} is an apocalyptic number.

210020020000011 is a deficient number, since it is larger than the sum of its proper divisors (116677788889077).

210020020000011 is a wasteful number, since it uses less digits than its factorization.

210020020000011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1795042906002 (or 1795042905999 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 210020020000011 its reverse (110000020020012), we get a palindrome (320020040020023).

The spelling of 210020020000011 in words is "two hundred ten trillion, twenty billion, twenty million, eleven", and thus it is an aban number.