102203021112030 has 48 divisors (see below), whose sum is σ = 265734523907424. Its totient is φ = 27253454961600.

The previous prime is 102203021112029. The next prime is 102203021112037. The reversal of 102203021112030 is 30211120302201.

102203021112030 is a `hidden beast` number, since 1 + 0 + 220 + 30 + 211 + 1 + 203 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 102203021111994 and 102203021112012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102203021112037) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10638994 + ... + 17821173.

It is an arithmetic number, because the mean of its divisors is an integer number (5536135914738).

Almost surely, 2^{102203021112030} is an apocalyptic number.

102203021112030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102203021112030 is an abundant number, since it is smaller than the sum of its proper divisors (163531502795394).

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

102203021112030 is a wasteful number, since it uses less digits than its factorization.

102203021112030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28500081 (or 28500078 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 102203021112030 its reverse (30211120302201), we get a palindrome (132414141414231).

The spelling of 102203021112030 in words is "one hundred two trillion, two hundred three billion, twenty-one million, one hundred twelve thousand, thirty".