20210012011 has 8 divisors (see below), whose sum is σ = 23192997344. Its totient is φ = 17250986880.

The previous prime is 20210011999. The next prime is 20210012021. The reversal of 20210012011 is 11021001202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20210012011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20210012021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5988240 + ... + 5991613.

It is an arithmetic number, because the mean of its divisors is an integer number (2899124668).

Almost surely, 2^20210012011 is an apocalyptic number.

20210012011 is a deficient number, since it is larger than the sum of its proper divisors (2982985333).

20210012011 is a wasteful number, since it uses less digits than its factorization.

20210012011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11980101.

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

Adding to 20210012011 its reverse (11021001202), we get a palindrome (31231013213).

It can be divided in two parts, 2021001201 and 1, that added together give a palindrome (2021001202).

The spelling of 20210012011 in words is "twenty billion, two hundred ten million, twelve thousand, eleven".