221313101210 has 16 divisors (see below), whose sum is σ = 399833563392. Its totient is φ = 88198578000.

The previous prime is 221313101167. The next prime is 221313101249. The reversal of 221313101210 is 12101313122.

It is a super-4 number, since 4×221313101210⁴ (a number of 46 digits) contains 4444 as substring.

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, 40829966 + ... + 40835385.

It is an arithmetic number, because the mean of its divisors is an integer number (24989597712).

Almost surely, 2^221313101210 is an apocalyptic number.

221313101210 is a deficient number, since it is larger than the sum of its proper divisors (178520462182).

221313101210 is a wasteful number, since it uses less digits than its factorization.

221313101210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81665629.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 221313101210 its reverse (12101313122), we get a palindrome (233414414332).

The spelling of 221313101210 in words is "two hundred twenty-one billion, three hundred thirteen million, one hundred one thousand, two hundred ten".