210112221020011 has 4 divisors (see below), whose sum is σ = 210112277419872. Its totient is φ = 210112164620152.

The previous prime is 210112221019979. The next prime is 210112221020041. The reversal of 210112221020011 is 110020122211012.

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 210112221020011 - 2⁵ = 210112221019979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (210112221020041) 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, 22184035 + ... + 30205228.

It is an arithmetic number, because the mean of its divisors is an integer number (52528069354968).

Almost surely, 2^{210112221020011} is an apocalyptic number.

210112221020011 is a deficient number, since it is larger than the sum of its proper divisors (56399861).

210112221020011 is an equidigital number, since it uses as much as digits as its factorization.

210112221020011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56399860.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 210112221020011 its reverse (110020122211012), we get a palindrome (320132343231023).

The spelling of 210112221020011 in words is "two hundred ten trillion, one hundred twelve billion, two hundred twenty-one million, twenty thousand, eleven".