1001120020110 has 48 divisors (see below), whose sum is σ = 2974756633056. Its totient is φ = 228827433024.

The previous prime is 1001120020093. The next prime is 1001120020127. The reversal of 1001120020110 is 110200211001.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1001120020093) and next prime (1001120020127).

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 1001120020092 and 1001120020101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 794539069 + ... + 794540328.

It is an arithmetic number, because the mean of its divisors is an integer number (61974096522).

Almost surely, 2^{1001120020110} is an apocalyptic number.

1001120020110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1001120020110 is an abundant number, since it is smaller than the sum of its proper divisors (1973636612946).

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

1001120020110 is a wasteful number, since it uses less digits than its factorization.

1001120020110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1589079417 (or 1589079414 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 1001120020110 its reverse (110200211001), we get a palindrome (1111320231111).

The spelling of 1001120020110 in words is "one trillion, one billion, one hundred twenty million, twenty thousand, one hundred ten".