1120101020 has 24 divisors (see below), whose sum is σ = 2352995568. Its totient is φ = 447891200.

The previous prime is 1120101013. The next prime is 1120101043. The reversal of 1120101020 is 201010211.

It is a junction number, because it is equal to n+sod(n) for n = 1120100989 and 1120101007.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 67775 + ... + 82665.

It is an arithmetic number, because the mean of its divisors is an integer number (98041482).

Almost surely, 2^1120101020 is an apocalyptic number.

1120101020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1120101020 is an abundant number, since it is smaller than the sum of its proper divisors (1232894548).

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

1120101020 is a wasteful number, since it uses less digits than its factorization.

1120101020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18661 (or 18659 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 8.

The square root of 1120101020 is about 33467.9103022582. The cubic root of 1120101020 is about 1038.5300423931.

Adding to 1120101020 its reverse (201010211), we get a palindrome (1321111231).

It can be divided in two parts, 1 and 120101020, that added together give a palindrome (120101021).

The spelling of 1120101020 in words is "one billion, one hundred twenty million, one hundred one thousand, twenty".