221110023112200 has 144 divisors (see below), whose sum is σ = 762630381747780. Its totient is φ = 57369087060480.

The previous prime is 221110023112183. The next prime is 221110023112201. The reversal of 221110023112200 is 2211320011122.

221110023112200 is a `hidden beast` number, since 2 + 21 + 110 + 0 + 2 + 311 + 220 + 0 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 121203321340644 + 99906701771556 = 11009238^2 + 9995334^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (221110023112201) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1659918559 + ... + 1660051758.

Almost surely, 2^{221110023112200} is an apocalyptic number.

221110023112200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

221110023112200 is an abundant number, since it is smaller than the sum of its proper divisors (541520358635580).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

221110023112200 is a wasteful number, since it uses less digits than its factorization.

221110023112200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3319970376 (or 3319970364 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 221110023112200 its reverse (2211320011122), we get a palindrome (223321343123322).

The spelling of 221110023112200 in words is "two hundred twenty-one trillion, one hundred ten billion, twenty-three million, one hundred twelve thousand, two hundred".