221022101001 has 32 divisors (see below), whose sum is σ = 319083923200. Its totient is φ = 135278947584.

The previous prime is 221022100997. The next prime is 221022101093. The reversal of 221022101001 is 100101220122.

It is not a de Polignac number, because 221022101001 - 2² = 221022100997 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (221022101101) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5383116 + ... + 5424018.

It is an arithmetic number, because the mean of its divisors is an integer number (9971372600).

Almost surely, 2^221022101001 is an apocalyptic number.

It is an amenable number.

221022101001 is a deficient number, since it is larger than the sum of its proper divisors (98061822199).

221022101001 is a wasteful number, since it uses less digits than its factorization.

221022101001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41665.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 221022101001 its reverse (100101220122), we get a palindrome (321123321123).

The spelling of 221022101001 in words is "two hundred twenty-one billion, twenty-two million, one hundred one thousand, one".