102011200320 has 56 divisors (see below), whose sum is σ = 323885564064. Its totient is φ = 27202986496.

The previous prime is 102011200273. The next prime is 102011200321. The reversal of 102011200320 is 23002110201.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 102011200296 and 102011200305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102011200321) 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, 53129874 + ... + 53131793.

Almost surely, 2^102011200320 is an apocalyptic number.

102011200320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102011200320 is an abundant number, since it is smaller than the sum of its proper divisors (221874363744).

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

102011200320 is a wasteful number, since it uses less digits than its factorization.

102011200320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106261687 (or 106261677 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 102011200320 its reverse (23002110201), we get a palindrome (125013310521).

The spelling of 102011200320 in words is "one hundred two billion, eleven million, two hundred thousand, three hundred twenty".