1010011100020 has 48 divisors (see below), whose sum is σ = 2284387959168. Its totient is φ = 372893051520.

The previous prime is 1010011100011. The next prime is 1010011100039. The reversal of 1010011100020 is 200011100101.

It is a super-2 number, since 2×1010011100020² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1010011099976 and 1010011100012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2762535 + ... + 3106705.

It is an arithmetic number, because the mean of its divisors is an integer number (47591415816).

Almost surely, 2^{1010011100020} is an apocalyptic number.

1010011100020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1010011100020 is an abundant number, since it is smaller than the sum of its proper divisors (1274376859148).

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

1010011100020 is a wasteful number, since it uses less digits than its factorization.

1010011100020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355480 (or 355478 counting only the distinct ones).

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

Adding to 1010011100020 its reverse (200011100101), we get a palindrome (1210022200121).

It can be divided in two parts, 101001 and 1100020, that added together give a palindrome (1201021).

The spelling of 1010011100020 in words is "one trillion, ten billion, eleven million, one hundred thousand, twenty".