1001020020110 has 128 divisors (see below), whose sum is σ = 2078050028544. Its totient is φ = 343615528960.

The previous prime is 1001020020089. The next prime is 1001020020167. The reversal of 1001020020110 is 110200201001.

It is a super-2 number, since 2×1001020020110² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 255555872 + ... + 255559788.

It is an arithmetic number, because the mean of its divisors is an integer number (16234765848).

Almost surely, 2^{1001020020110} is an apocalyptic number.

1001020020110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1001020020110 is an abundant number, since it is smaller than the sum of its proper divisors (1077030008434).

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

1001020020110 is a wasteful number, since it uses less digits than its factorization.

1001020020110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5258.

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

Adding to 1001020020110 its reverse (110200201001), we get a palindrome (1111220221111).

The spelling of 1001020020110 in words is "one trillion, one billion, twenty million, twenty thousand, one hundred ten".