20011103211029 has 8 divisors (see below), whose sum is σ = 23191942555008. Its totient is φ = 16910791445520.

The previous prime is 20011103210929. The next prime is 20011103211061. The reversal of 20011103211029 is 92011230111002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20011103211029 - 2¹⁶ = 20011103145493 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 20011103210995 and 20011103211013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20011103213029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20131894082 + ... + 20131895075.

It is an arithmetic number, because the mean of its divisors is an integer number (2898992819376).

Almost surely, 2^{20011103211029} is an apocalyptic number.

It is an amenable number.

20011103211029 is a deficient number, since it is larger than the sum of its proper divisors (3180839343979).

20011103211029 is an equidigital number, since it uses as much as digits as its factorization.

20011103211029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40263789235.

The product of its (nonzero) digits is 216, while the sum is 23.

The spelling of 20011103211029 in words is "twenty trillion, eleven billion, one hundred three million, two hundred eleven thousand, twenty-nine".