20021102200111 has 8 divisors (see below), whose sum is σ = 20060025891840. Its totient is φ = 19982180961432.

The previous prime is 20021102200081. The next prime is 20021102200147. The reversal of 20021102200111 is 11100220112002.

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

It is a cyclic number.

It is not a de Polignac number, because 20021102200111 - 2⁵ = 20021102200079 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20021102200091 and 20021102200100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20021102200171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16171980 + ... + 17365918.

It is an arithmetic number, because the mean of its divisors is an integer number (2507503236480).

Almost surely, 2^{20021102200111} is an apocalyptic number.

20021102200111 is a deficient number, since it is larger than the sum of its proper divisors (38923691729).

20021102200111 is a wasteful number, since it uses less digits than its factorization.

20021102200111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1226525.

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

Adding to 20021102200111 its reverse (11100220112002), we get a palindrome (31121322312113).

The spelling of 20021102200111 in words is "twenty trillion, twenty-one billion, one hundred two million, two hundred thousand, one hundred eleven".