1001020210011 has 16 divisors (see below), whose sum is σ = 1490520794400. Its totient is φ = 663959255904.

The previous prime is 1001020209947. The next prime is 1001020210031. The reversal of 1001020210011 is 1100120201001.

It is a happy number.

It is not a de Polignac number, because 1001020210011 - 2⁶ = 1001020209947 is a prime.

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 = 1001020209975 and 1001020210002.

It is not an unprimeable number, because it can be changed into a prime (1001020210031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 94093216 + ... + 94103853.

It is an arithmetic number, because the mean of its divisors is an integer number (93157549650).

Almost surely, 2^{1001020210011} is an apocalyptic number.

1001020210011 is a deficient number, since it is larger than the sum of its proper divisors (489500584389).

1001020210011 is a wasteful number, since it uses less digits than its factorization.

1001020210011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188197275 (or 188197269 counting only the distinct ones).

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

Adding to 1001020210011 its reverse (1100120201001), we get a palindrome (2101140411012).

The spelling of 1001020210011 in words is "one trillion, one billion, twenty million, two hundred ten thousand, eleven".