221022120010 has 16 divisors (see below), whose sum is σ = 398048471136. Its totient is φ = 88362480208.

The previous prime is 221022119971. The next prime is 221022120091. The reversal of 221022120010 is 10021220122.

It is a happy number.

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, 5775952 + ... + 5814091.

It is an arithmetic number, because the mean of its divisors is an integer number (24878029446).

Almost surely, 2^221022120010 is an apocalyptic number.

221022120010 is a deficient number, since it is larger than the sum of its proper divisors (177026351126).

221022120010 is a wasteful number, since it uses less digits than its factorization.

221022120010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11591957.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 221022120010 its reverse (10021220122), we get a palindrome (231043340132).

The spelling of 221022120010 in words is "two hundred twenty-one billion, twenty-two million, one hundred twenty thousand, ten".