102120220230 has 32 divisors (see below), whose sum is σ = 280101176064. Its totient is φ = 23341764576.

The previous prime is 102120220207. The next prime is 102120220253. The reversal of 102120220230 is 32022021201.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (102120220207) and next prime (102120220253).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 243143172 + ... + 243143591.

It is an arithmetic number, because the mean of its divisors is an integer number (8753161752).

Almost surely, 2^102120220230 is an apocalyptic number.

102120220230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102120220230 is an abundant number, since it is smaller than the sum of its proper divisors (177980955834).

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

102120220230 is a wasteful number, since it uses less digits than its factorization.

102120220230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 486286780.

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

Adding to 102120220230 its reverse (32022021201), we get a palindrome (134142241431).

The spelling of 102120220230 in words is "one hundred two billion, one hundred twenty million, two hundred twenty thousand, two hundred thirty".