210111221122 has 16 divisors (see below), whose sum is σ = 343829071872. Its totient is φ = 95502125520.

The previous prime is 210111221077. The next prime is 210111221219. The reversal of 210111221122 is 221122111012.

210111221122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 210111221096 and 210111221105.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 674908 + ... + 935800.

It is an arithmetic number, because the mean of its divisors is an integer number (21489316992).

Almost surely, 2^210111221122 is an apocalyptic number.

210111221122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

210111221122 is a deficient number, since it is larger than the sum of its proper divisors (133717850750).

210111221122 is a wasteful number, since it uses less digits than its factorization.

210111221122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297513.

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

Adding to 210111221122 its reverse (221122111012), we get a palindrome (431233332134).

The spelling of 210111221122 in words is "two hundred ten billion, one hundred eleven million, two hundred twenty-one thousand, one hundred twenty-two".