10001211020010 has 96 divisors (see below), whose sum is σ = 30350179671552. Its totient is φ = 2237352975360.

The previous prime is 10001211019999. The next prime is 10001211020093. The reversal of 10001211020010 is 1002011210001.

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 = 10001211019974 and 10001211020001.

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 47 ways as a sum of consecutive naturals, for example, 168852711 + ... + 168911930.

It is an arithmetic number, because the mean of its divisors is an integer number (316147704912).

Almost surely, 2^{10001211020010} is an apocalyptic number.

10001211020010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10001211020010 is an abundant number, since it is smaller than the sum of its proper divisors (20348968651542).

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

10001211020010 is a wasteful number, since it uses less digits than its factorization.

10001211020010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337764708 (or 337764705 counting only the distinct ones).

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

Adding to 10001211020010 its reverse (1002011210001), we get a palindrome (11003222230011).

The spelling of 10001211020010 in words is "ten trillion, one billion, two hundred eleven million, twenty thousand, ten".