101220234 has 64 divisors (see below), whose sum is σ = 216691200. Its totient is φ = 31477248.

The previous prime is 101220233. The next prime is 101220253. The reversal of 101220234 is 432022101.

It is not an unprimeable number, because it can be changed into a prime (101220233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 928572 + ... + 928680.

It is an arithmetic number, because the mean of its divisors is an integer number (3385800).

Almost surely, 2^101220234 is an apocalyptic number.

101220234 is an abundant number, since it is smaller than the sum of its proper divisors (115470966).

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

101220234 is a wasteful number, since it uses less digits than its factorization.

101220234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287.

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

The square root of 101220234 is about 10060.8267055943. The cubic root of 101220234 is about 466.0391974003.

Adding to 101220234 its reverse (432022101), we get a palindrome (533242335).

The spelling of 101220234 in words is "one hundred one million, two hundred twenty thousand, two hundred thirty-four".