10011000021012 has 60 divisors (see below), whose sum is σ = 27548138476320. Its totient is φ = 3161368425744.

The previous prime is 10011000020929. The next prime is 10011000021037. The reversal of 10011000021012 is 21012000011001.

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 = 10011000020985 and 10011000021003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 813103008 + ... + 813115319.

It is an arithmetic number, because the mean of its divisors is an integer number (459135641272).

Almost surely, 2^{10011000021012} is an apocalyptic number.

10011000021012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10011000021012 is an abundant number, since it is smaller than the sum of its proper divisors (17537138455308).

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

10011000021012 is a wasteful number, since it uses less digits than its factorization.

10011000021012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1626218362 (or 1626218351 counting only the distinct ones).

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

Adding to 10011000021012 its reverse (21012000011001), we get a palindrome (31023000032013).

The spelling of 10011000021012 in words is "ten trillion, eleven billion, twenty-one thousand, twelve".