221022102001 has 8 divisors (see below), whose sum is σ = 221277420000. Its totient is φ = 220766911872.

The previous prime is 221022101957. The next prime is 221022102011. The reversal of 221022102001 is 100201220122.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 221022102001 - 2⁷ = 221022101873 is a prime.

It is a super-3 number, since 3×221022102001³ (a number of 35 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (221022102011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3670926 + ... + 3730648.

It is an arithmetic number, because the mean of its divisors is an integer number (27659677500).

Almost surely, 2^221022102001 is an apocalyptic number.

It is an amenable number.

221022102001 is a deficient number, since it is larger than the sum of its proper divisors (255317999).

221022102001 is a wasteful number, since it uses less digits than its factorization.

221022102001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63935.

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

Adding to 221022102001 its reverse (100201220122), we get a palindrome (321223322123).

The spelling of 221022102001 in words is "two hundred twenty-one billion, twenty-two million, one hundred two thousand, one".