2101222010011 has 4 divisors (see below), whose sum is σ = 2101437906112. Its totient is φ = 2101006113912.

The previous prime is 2101222010003. The next prime is 2101222010021. The reversal of 2101222010011 is 1100102221012.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2101222010011 - 2³ = 2101222010003 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2101222009973 and 2101222010000.

It is not an unprimeable number, because it can be changed into a prime (2101222010021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 107933451 + ... + 107952916.

It is an arithmetic number, because the mean of its divisors is an integer number (525359476528).

Almost surely, 2^{2101222010011} is an apocalyptic number.

2101222010011 is a deficient number, since it is larger than the sum of its proper divisors (215896101).

2101222010011 is an equidigital number, since it uses as much as digits as its factorization.

2101222010011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215896100.

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

Adding to 2101222010011 its reverse (1100102221012), we get a palindrome (3201324231023).

The spelling of 2101222010011 in words is "two trillion, one hundred one billion, two hundred twenty-two million, ten thousand, eleven".