101144221100 has 36 divisors (see below), whose sum is σ = 236366267424. Its totient is φ = 37345558080.

The previous prime is 101144221099. The next prime is 101144221109. The reversal of 101144221100 is 1122441101.

It is not an unprimeable number, because it can be changed into a prime (101144221109) 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 11 ways as a sum of consecutive naturals, for example, 38900324 + ... + 38902923.

Almost surely, 2^101144221100 is an apocalyptic number.

101144221100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101144221100 is an abundant number, since it is smaller than the sum of its proper divisors (135222046324).

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

101144221100 is a wasteful number, since it uses less digits than its factorization.

101144221100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77803274 (or 77803267 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 101144221100 its reverse (1122441101), we get a palindrome (102266662201).

The spelling of 101144221100 in words is "one hundred one billion, one hundred forty-four million, two hundred twenty-one thousand, one hundred".