10112010100020 has 72 divisors (see below), whose sum is σ = 30970894421376. Its totient is φ = 2670356060352.

The previous prime is 10112010099941. The next prime is 10112010100057. The reversal of 10112010100020 is 2000101021101.

It is a happy number.

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 = 10112010099975 and 10112010100011.

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 23 ways as a sum of consecutive naturals, for example, 272689392 + ... + 272726471.

It is an arithmetic number, because the mean of its divisors is an integer number (430151311408).

Almost surely, 2^{10112010100020} is an apocalyptic number.

10112010100020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10112010100020 is an abundant number, since it is smaller than the sum of its proper divisors (20858884321356).

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

10112010100020 is a wasteful number, since it uses less digits than its factorization.

10112010100020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 545415981 (or 545415976 counting only the distinct ones).

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

Adding to 10112010100020 its reverse (2000101021101), we get a palindrome (12112111121121).

The spelling of 10112010100020 in words is "ten trillion, one hundred twelve billion, ten million, one hundred thousand, twenty".