221110001210 has 16 divisors (see below), whose sum is σ = 454854859776. Its totient is φ = 75809143248.

The previous prime is 221110001209. The next prime is 221110001257. The reversal of 221110001210 is 12100011122.

It is a junction number, because it is equal to n+sod(n) for n = 221110001191 and 221110001200.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1579357082 + ... + 1579357221.

It is an arithmetic number, because the mean of its divisors is an integer number (28428428736).

Almost surely, 2^221110001210 is an apocalyptic number.

221110001210 is an abundant number, since it is smaller than the sum of its proper divisors (233744858566).

221110001210 is a wasteful number, since it uses less digits than its factorization.

221110001210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3158714317.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 221110001210 its reverse (12100011122), we get a palindrome (233210012332).

The spelling of 221110001210 in words is "two hundred twenty-one billion, one hundred ten million, one thousand, two hundred ten".