2101122020011 has 8 divisors (see below), whose sum is σ = 2404178916320. Its totient is φ = 1798789275648.

The previous prime is 2101122019979. The next prime is 2101122020033. The reversal of 2101122020011 is 1100202211012.

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

It is a cyclic number.

It is not a de Polignac number, because 2101122020011 - 2⁵ = 2101122019979 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2101122019973 and 2101122020000.

It is not an unprimeable number, because it can be changed into a prime (2101122020411) 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, 181031766 + ... + 181043371.

It is an arithmetic number, because the mean of its divisors is an integer number (300522364540).

Almost surely, 2^{2101122020011} is an apocalyptic number.

2101122020011 is a deficient number, since it is larger than the sum of its proper divisors (303056896309).

2101122020011 is an equidigital number, since it uses as much as digits as its factorization.

2101122020011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362075973.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 2101122020011 its reverse (1100202211012), we get a palindrome (3201324231023).

The spelling of 2101122020011 in words is "two trillion, one hundred one billion, one hundred twenty-two million, twenty thousand, eleven".