20202110021011 has 2 divisors, whose sum is σ = 20202110021012. Its totient is φ = 20202110021010.

The previous prime is 20202110020969. The next prime is 20202110021059. The reversal of 20202110021011 is 11012001120202.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20202110021011 - 2¹⁷ = 20202109889939 is a prime.

It is a super-2 number, since 2×20202110021011² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20202110020982 and 20202110021000.

It is not a weakly prime, because it can be changed into another prime (20202110021411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10101055010505 + 10101055010506.

It is an arithmetic number, because the mean of its divisors is an integer number (10101055010506).

Almost surely, 2^{20202110021011} is an apocalyptic number.

20202110021011 is a deficient number, since it is larger than the sum of its proper divisors (1).

20202110021011 is an equidigital number, since it uses as much as digits as its factorization.

20202110021011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 20202110021011 its reverse (11012001120202), we get a palindrome (31214111141213).

The spelling of 20202110021011 in words is "twenty trillion, two hundred two billion, one hundred ten million, twenty-one thousand, eleven".