220001223102 has 16 divisors (see below), whose sum is σ = 450235061760. Its totient is φ = 71628305112.

The previous prime is 220001223077. The next prime is 220001223107. The reversal of 220001223102 is 201322100022.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220001223107) 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, 426358702 + ... + 426359217.

It is an arithmetic number, because the mean of its divisors is an integer number (28139691360).

Almost surely, 2^220001223102 is an apocalyptic number.

220001223102 is an abundant number, since it is smaller than the sum of its proper divisors (230233838658).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

220001223102 is a wasteful number, since it uses less digits than its factorization.

220001223102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 852717967.

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 220001223102 its reverse (201322100022), we get a palindrome (421323323124).

The spelling of 220001223102 in words is "two hundred twenty billion, one million, two hundred twenty-three thousand, one hundred two".