201101112122020 has 48 divisors (see below), whose sum is σ = 465265795369536. Its totient is φ = 72403640720000.

The previous prime is 201101112121967. The next prime is 201101112122063. The reversal of 201101112122020 is 20221211101102.

It is a junction number, because it is equal to n+sod(n) for n = 201101112121985 and 201101112122003.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4525205326 + ... + 4525249765.

It is an arithmetic number, because the mean of its divisors is an integer number (9693037403532).

Almost surely, 2^{201101112122020} is an apocalyptic number.

201101112122020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201101112122020 is an abundant number, since it is smaller than the sum of its proper divisors (264164683247516).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

201101112122020 is a wasteful number, since it uses less digits than its factorization.

201101112122020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9050455212 (or 9050455210 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 201101112122020 its reverse (20221211101102), we get a palindrome (221322323223122).

The spelling of 201101112122020 in words is "two hundred one trillion, one hundred one billion, one hundred twelve million, one hundred twenty-two thousand, twenty".