101220330 has 32 divisors (see below), whose sum is σ = 246009600. Its totient is φ = 26649792.

The previous prime is 101220313. The next prime is 101220331. The reversal of 101220330 is 33022101.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (101220331) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18985 + ... + 23724.

It is an arithmetic number, because the mean of its divisors is an integer number (7687800).

Almost surely, 2^101220330 is an apocalyptic number.

101220330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101220330 is an abundant number, since it is smaller than the sum of its proper divisors (144789270).

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

101220330 is a wasteful number, since it uses less digits than its factorization.

101220330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42798.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 101220330 is about 10060.8314765729. The cubic root of 101220330 is about 466.0393447350.

Adding to 101220330 its reverse (33022101), we get a palindrome (134242431).

The spelling of 101220330 in words is "one hundred one million, two hundred twenty thousand, three hundred thirty".