102000223120 has 80 divisors (see below), whose sum is σ = 244426355712. Its totient is φ = 39560555520.

The previous prime is 102000223109. The next prime is 102000223121. The reversal of 102000223120 is 21322000201.

It is a tau number, because it is divible by the number of its divisors (80).

It is a self number, because there is not a number n which added to its sum of digits gives 102000223120.

It is not an unprimeable number, because it can be changed into a prime (102000223121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 439249 + ... + 630031.

Almost surely, 2^102000223120 is an apocalyptic number.

102000223120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102000223120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (122213177856).

102000223120 is an abundant number, since it is smaller than the sum of its proper divisors (142426132592).

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

102000223120 is a wasteful number, since it uses less digits than its factorization.

102000223120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191000 (or 190994 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 102000223120 its reverse (21322000201), we get a palindrome (123322223321).

The spelling of 102000223120 in words is "one hundred two billion, two hundred twenty-three thousand, one hundred twenty".