20113102212029 has 2 divisors, whose sum is σ = 20113102212030. Its totient is φ = 20113102212028.

The previous prime is 20113102212019. The next prime is 20113102212083. The reversal of 20113102212029 is 92021220131102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17984427048025 + 2128675164004 = 4240805^2 + 1458998^2 .

It is a cyclic number.

It is not a de Polignac number, because 20113102212029 - 2⁸ = 20113102211773 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20113102211989 and 20113102212007.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20113102212019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10056551106014 + 10056551106015.

It is an arithmetic number, because the mean of its divisors is an integer number (10056551106015).

Almost surely, 2^{20113102212029} is an apocalyptic number.

It is an amenable number.

20113102212029 is a deficient number, since it is larger than the sum of its proper divisors (1).

20113102212029 is an equidigital number, since it uses as much as digits as its factorization.

20113102212029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 26.

The spelling of 20113102212029 in words is "twenty trillion, one hundred thirteen billion, one hundred two million, two hundred twelve thousand, twenty-nine".