221012011322210 has 16 divisors (see below), whose sum is σ = 397891279320192. Its totient is φ = 88389324764400.

The previous prime is 221012011322203. The next prime is 221012011322231. The reversal of 221012011322210 is 12223110210122.

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, 1934910596 + ... + 1935024815.

It is an arithmetic number, because the mean of its divisors is an integer number (24868204957512).

Almost surely, 2^{221012011322210} is an apocalyptic number.

221012011322210 is a deficient number, since it is larger than the sum of its proper divisors (176879267997982).

221012011322210 is a wasteful number, since it uses less digits than its factorization.

221012011322210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3869941129.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 221012011322210 its reverse (12223110210122), we get a palindrome (233235121532332).

The spelling of 221012011322210 in words is "two hundred twenty-one trillion, twelve billion, eleven million, three hundred twenty-two thousand, two hundred ten".