20102021100011 has 2 divisors, whose sum is σ = 20102021100012. Its totient is φ = 20102021100010.

The previous prime is 20102021099903. The next prime is 20102021100023. The reversal of 20102021100011 is 11000112020102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20102021100011 - 2³⁴ = 20084841230827 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20102021099965 and 20102021100001.

It is not a weakly prime, because it can be changed into another prime (20102021100211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10051010550005 + 10051010550006.

It is an arithmetic number, because the mean of its divisors is an integer number (10051010550006).

Almost surely, 2^{20102021100011} is an apocalyptic number.

20102021100011 is a deficient number, since it is larger than the sum of its proper divisors (1).

20102021100011 is an equidigital number, since it uses as much as digits as its factorization.

20102021100011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 20102021100011 its reverse (11000112020102), we get a palindrome (31102133120113).

The spelling of 20102021100011 in words is "twenty trillion, one hundred two billion, twenty-one million, one hundred thousand, eleven".