101011120 has 80 divisors (see below), whose sum is σ = 272893248. Its totient is φ = 34053120.

The previous prime is 101011117. The next prime is 101011121. The reversal of 101011120 is 21110101.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (7).

It is not an unprimeable number, because it can be changed into a prime (101011121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32682 + ... + 35638.

Almost surely, 2^101011120 is an apocalyptic number.

101011120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 101011120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (136446624).

101011120 is an abundant number, since it is smaller than the sum of its proper divisors (171882128).

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

101011120 is a wasteful number, since it uses less digits than its factorization.

101011120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3038 (or 3032 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 7.

The square root of 101011120 is about 10050.4288465717. The cubic root of 101011120 is about 465.7180412244.

Adding to 101011120 its reverse (21110101), we get a palindrome (122121221).

The spelling of 101011120 in words is "one hundred one million, eleven thousand, one hundred twenty".