201102111220120 has 128 divisors (see below), whose sum is σ = 493854040972800. Its totient is φ = 73092528921600.

The previous prime is 201102111220111. The next prime is 201102111220121. The reversal of 201102111220120 is 21022111201102.

It is a junction number, because it is equal to n+sod(n) for n = 201102111220094 and 201102111220103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201102111220121) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9854554957 + ... + 9854575363.

It is an arithmetic number, because the mean of its divisors is an integer number (3858234695100).

Almost surely, 2^{201102111220120} is an apocalyptic number.

201102111220120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201102111220120 is an abundant number, since it is smaller than the sum of its proper divisors (292751929752680).

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

201102111220120 is a wasteful number, since it uses less digits than its factorization.

201102111220120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30209 (or 30205 counting only the distinct ones).

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

Adding to 201102111220120 its reverse (21022111201102), we get a palindrome (222124222421222).

The spelling of 201102111220120 in words is "two hundred one trillion, one hundred two billion, one hundred eleven million, two hundred twenty thousand, one hundred twenty".