1020002100213 has 16 divisors (see below), whose sum is σ = 1363947361920. Its totient is φ = 678029918784.

The previous prime is 1020002100203. The next prime is 1020002100233. The reversal of 1020002100213 is 3120012000201.

It is not a de Polignac number, because 1020002100213 - 2²⁵ = 1019968545781 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020002100203) 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, 5138395 + ... + 5333207.

It is an arithmetic number, because the mean of its divisors is an integer number (85246710120).

Almost surely, 2^{1020002100213} is an apocalyptic number.

It is an amenable number.

1020002100213 is a deficient number, since it is larger than the sum of its proper divisors (343945261707).

1020002100213 is a wasteful number, since it uses less digits than its factorization.

1020002100213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199868.

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 1020002100213 its reverse (3120012000201), we get a palindrome (4140014100414).

The spelling of 1020002100213 in words is "one trillion, twenty billion, two million, one hundred thousand, two hundred thirteen".