1120020111001 has 8 divisors (see below), whose sum is σ = 1221850000800. Its totient is φ = 1018191867840.

The previous prime is 1120020110999. The next prime is 1120020111019. The reversal of 1120020111001 is 1001110200211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1120020111001 - 2¹ = 1120020110999 is a prime.

It is a super-2 number, since 2×1120020111001² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1120020111601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1331505 + ... + 2003233.

It is an arithmetic number, because the mean of its divisors is an integer number (152731250100).

Almost surely, 2^{1120020111001} is an apocalyptic number.

1120020111001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1120020111001 is a deficient number, since it is larger than the sum of its proper divisors (101829889799).

1120020111001 is a wasteful number, since it uses less digits than its factorization.

1120020111001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 823319.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 1120020111001 its reverse (1001110200211), we get a palindrome (2121130311212).

The spelling of 1120020111001 in words is "one trillion, one hundred twenty billion, twenty million, one hundred eleven thousand, one".