1010101120 has 128 divisors (see below), whose sum is σ = 2880023040. Its totient is φ = 331229184.

The previous prime is 1010101109. The next prime is 1010101177. The reversal of 1010101120 is 211010101.

It is a tau number, because it is divible by the number of its divisors (128).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 98139 + ... + 107941.

It is an arithmetic number, because the mean of its divisors is an integer number (22500180).

Almost surely, 2^1010101120 is an apocalyptic number.

1010101120 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 1010101120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1440011520).

1010101120 is an abundant number, since it is smaller than the sum of its proper divisors (1869921920).

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

1010101120 is an equidigital number, since it uses as much as digits as its factorization.

1010101120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9852 (or 9840 counting only the distinct ones).

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

The square root of 1010101120 is about 31782.0880371319. The cubic root of 1010101120 is about 1003.3557662364.

Adding to 1010101120 its reverse (211010101), we get a palindrome (1221111221).

The spelling of 1010101120 in words is "one billion, ten million, one hundred one thousand, one hundred twenty".