20020011202111 has 8 divisors (see below), whose sum is σ = 21105811901664. Its totient is φ = 18952157621760.

The previous prime is 20020011202069. The next prime is 20020011202123. The reversal of 20020011202111 is 11120211002002.

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

It is not a de Polignac number, because 20020011202111 - 2²⁵ = 20019977647679 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20020011202091 and 20020011202100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20020011202171) 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, 4486777510 + ... + 4486781971.

It is an arithmetic number, because the mean of its divisors is an integer number (2638226487708).

Almost surely, 2^{20020011202111} is an apocalyptic number.

20020011202111 is a deficient number, since it is larger than the sum of its proper divisors (1085800699553).

20020011202111 is an equidigital number, since it uses as much as digits as its factorization.

20020011202111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8973559601.

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

Adding to 20020011202111 its reverse (11120211002002), we get a palindrome (31140222204113).

The spelling of 20020011202111 in words is "twenty trillion, twenty billion, eleven million, two hundred two thousand, one hundred eleven".