201101101120020 has 24 divisors (see below), whose sum is σ = 563083083136224. Its totient is φ = 53626960298656.

The previous prime is 201101101120009. The next prime is 201101101120063. The reversal of 201101101120020 is 20021101101102.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 201101101119978 and 201101101120005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1675842509274 + ... + 1675842509393.

It is an arithmetic number, because the mean of its divisors is an integer number (23461795130676).

Almost surely, 2^{201101101120020} is an apocalyptic number.

201101101120020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201101101120020 is an abundant number, since it is smaller than the sum of its proper divisors (361981982016204).

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

201101101120020 is a wasteful number, since it uses less digits than its factorization.

201101101120020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3351685018679 (or 3351685018677 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 201101101120020 its reverse (20021101101102), we get a palindrome (221122202221122).

The spelling of 201101101120020 in words is "two hundred one trillion, one hundred one billion, one hundred one million, one hundred twenty thousand, twenty".