1121001010 has 32 divisors (see below), whose sum is σ = 2033035200. Its totient is φ = 445030080.

The previous prime is 1121001001. The next prime is 1121001023. The reversal of 1121001010 is 101001211.

It is a junction number, because it is equal to n+sod(n) for n = 1121000984 and 1121001002.

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 15 ways as a sum of consecutive naturals, for example, 889761 + ... + 891019.

It is an arithmetic number, because the mean of its divisors is an integer number (63532350).

Almost surely, 2^1121001010 is an apocalyptic number.

1121001010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1121001010 is a deficient number, since it is larger than the sum of its proper divisors (912034190).

1121001010 is a wasteful number, since it uses less digits than its factorization.

1121001010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1866.

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

The square root of 1121001010 is about 33481.3531685922. The cubic root of 1121001010 is about 1038.8081174405.

Adding to 1121001010 its reverse (101001211), we get a palindrome (1222002221).

The spelling of 1121001010 in words is "one billion, one hundred twenty-one million, one thousand, ten".