1023442221102 has 128 divisors (see below), whose sum is σ = 2577702666240. Its totient is φ = 264129465600.

The previous prime is 1023442221041. The next prime is 1023442221229. The reversal of 1023442221102 is 2011222443201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5655727 + ... + 5833877.

It is an arithmetic number, because the mean of its divisors is an integer number (20138302080).

Almost surely, 2^{1023442221102} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1023442221102, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1288851333120).

1023442221102 is an abundant number, since it is smaller than the sum of its proper divisors (1554260445138).

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

1023442221102 is a wasteful number, since it uses less digits than its factorization.

1023442221102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178518.

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 1023442221102 its reverse (2011222443201), we get a palindrome (3034664664303).

The spelling of 1023442221102 in words is "one trillion, twenty-three billion, four hundred forty-two million, two hundred twenty-one thousand, one hundred two".