101220044 has 12 divisors (see below), whose sum is σ = 177762984. Its totient is φ = 50430624.

The previous prime is 101220043. The next prime is 101220059. The reversal of 101220044 is 440022101.

It is not an unprimeable number, because it can be changed into a prime (101220043) 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 3 ways as a sum of consecutive naturals, for example, 43577 + ... + 45840.

It is an arithmetic number, because the mean of its divisors is an integer number (14813582).

Almost surely, 2^101220044 is an apocalyptic number.

It is an amenable number.

101220044 is a deficient number, since it is larger than the sum of its proper divisors (76542940).

101220044 is a wasteful number, since it uses less digits than its factorization.

101220044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89704 (or 89702 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 101220044 is about 10060.8172630259. The cubic root of 101220044 is about 466.0389058002.

Adding to 101220044 its reverse (440022101), we get a palindrome (541242145).

The spelling of 101220044 in words is "one hundred one million, two hundred twenty thousand, forty-four".