1001121110110 has 48 divisors (see below), whose sum is σ = 2035963015632. Its totient is φ = 351490764800.

The previous prime is 1001121110089. The next prime is 1001121110113. The reversal of 1001121110110 is 110111211001.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001121110113) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5318371 + ... + 5503390.

It is an arithmetic number, because the mean of its divisors is an integer number (42415896159).

Almost surely, 2^{1001121110110} is an apocalyptic number.

1001121110110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1001121110110 is an abundant number, since it is smaller than the sum of its proper divisors (1034841905522).

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

1001121110110 is a wasteful number, since it uses less digits than its factorization.

1001121110110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10821837 (or 10821808 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 10.

Adding to 1001121110110 its reverse (110111211001), we get a palindrome (1111232321111).

The spelling of 1001121110110 in words is "one trillion, one billion, one hundred twenty-one million, one hundred ten thousand, one hundred ten".