20020112020111 has 16 divisors (see below), whose sum is σ = 23156103979008. Its totient is φ = 16953119618400.

The previous prime is 20020112020109. The next prime is 20020112020123. The reversal of 20020112020111 is 11102021102002.

It is not a de Polignac number, because 20020112020111 - 2¹ = 20020112020109 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20020112020091 and 20020112020100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20020112021111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53766706 + ... + 54137776.

It is an arithmetic number, because the mean of its divisors is an integer number (1447256498688).

Almost surely, 2^{20020112020111} is an apocalyptic number.

20020112020111 is a deficient number, since it is larger than the sum of its proper divisors (3135991958897).

20020112020111 is an equidigital number, since it uses as much as digits as its factorization.

20020112020111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 464022.

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

Adding to 20020112020111 its reverse (11102021102002), we get a palindrome (31122133122113).

The spelling of 20020112020111 in words is "twenty trillion, twenty billion, one hundred twelve million, twenty thousand, one hundred eleven".