101230221320 has 32 divisors (see below), whose sum is σ = 228294060120. Its totient is φ = 40398566400.

The previous prime is 101230221307. The next prime is 101230221401. The reversal of 101230221320 is 23122032101.

It can be written as a sum of positive squares in 4 ways, for example, as 29377274404 + 71852946916 = 171398^2 + 268054^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2905031 + ... + 2939670.

Almost surely, 2^101230221320 is an apocalyptic number.

101230221320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101230221320 is an abundant number, since it is smaller than the sum of its proper divisors (127063838800).

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

101230221320 is a wasteful number, since it uses less digits than its factorization.

101230221320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5845145 (or 5845141 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 101230221320 its reverse (23122032101), we get a palindrome (124352253421).

The spelling of 101230221320 in words is "one hundred one billion, two hundred thirty million, two hundred twenty-one thousand, three hundred twenty".