2021557060011 has 8 divisors (see below), whose sum is σ = 2735639404864. Its totient is φ = 1327589710920.

The previous prime is 2021557059979. The next prime is 2021557060021. The reversal of 2021557060011 is 1100607551202.

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

It is not a de Polignac number, because 2021557060011 - 2⁵ = 2021557059979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2021557060021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5028748705 + ... + 5028749106.

It is an arithmetic number, because the mean of its divisors is an integer number (341954925608).

Almost surely, 2^{2021557060011} is an apocalyptic number.

2021557060011 is a deficient number, since it is larger than the sum of its proper divisors (714082344853).

2021557060011 is a wasteful number, since it uses less digits than its factorization.

2021557060011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10057497881.

The product of its (nonzero) digits is 4200, while the sum is 30.

The spelling of 2021557060011 in words is "two trillion, twenty-one billion, five hundred fifty-seven million, sixty thousand, eleven".