221112211002110 has 32 divisors (see below), whose sum is σ = 411024247603200. Its totient is φ = 85553595643680.

The previous prime is 221112211002103. The next prime is 221112211002119. The reversal of 221112211002110 is 11200112211122.

It is a super-2 number, since 2×221112211002110² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221112211002119) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 158588000 + ... + 159976179.

It is an arithmetic number, because the mean of its divisors is an integer number (12844507737600).

Almost surely, 2^{221112211002110} is an apocalyptic number.

221112211002110 is a deficient number, since it is larger than the sum of its proper divisors (189912036601090).

221112211002110 is a wasteful number, since it uses less digits than its factorization.

221112211002110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318566456.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 221112211002110 its reverse (11200112211122), we get a palindrome (232312323213232).

The spelling of 221112211002110 in words is "two hundred twenty-one trillion, one hundred twelve billion, two hundred eleven million, two thousand, one hundred ten".