2021023120011 has 8 divisors (see below), whose sum is σ = 3079654278144. Its totient is φ = 1154870354280.

The previous prime is 2021023120003. The next prime is 2021023120021. The reversal of 2021023120011 is 1100213201202.

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

It is not a de Polignac number, because 2021023120011 - 2³ = 2021023120003 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2021023120021) 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, 48119598075 + ... + 48119598116.

It is an arithmetic number, because the mean of its divisors is an integer number (384956784768).

Almost surely, 2^{2021023120011} is an apocalyptic number.

2021023120011 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2021023120011 is a deficient number, since it is larger than the sum of its proper divisors (1058631158133).

2021023120011 is an equidigital number, since it uses as much as digits as its factorization.

2021023120011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96239196201.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 2021023120011 its reverse (1100213201202), we get a palindrome (3121236321213).

The spelling of 2021023120011 in words is "two trillion, twenty-one billion, twenty-three million, one hundred twenty thousand, eleven".