102300021132 has 24 divisors (see below), whose sum is σ = 245151403056. Its totient is φ = 33178385088.

The previous prime is 102300021101. The next prime is 102300021133. The reversal of 102300021132 is 231120003201.

It is a super-2 number, since 2×102300021132² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (102300021133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115202283 + ... + 115203170.

It is an arithmetic number, because the mean of its divisors is an integer number (10214641794).

Almost surely, 2^102300021132 is an apocalyptic number.

102300021132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

102300021132 is an abundant number, since it is smaller than the sum of its proper divisors (142851381924).

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

102300021132 is a wasteful number, since it uses less digits than its factorization.

102300021132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230405497 (or 230405495 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 102300021132 its reverse (231120003201), we get a palindrome (333420024333).

The spelling of 102300021132 in words is "one hundred two billion, three hundred million, twenty-one thousand, one hundred thirty-two".