201210111120 has 40 divisors (see below), whose sum is σ = 623751345216. Its totient is φ = 53656029568.

The previous prime is 201210111101. The next prime is 201210111121. The reversal of 201210111120 is 21111012102.

It is a tau number, because it is divible by the number of its divisors (40).

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 = 201210111096 and 201210111105.

It is not an unprimeable number, because it can be changed into a prime (201210111121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 419187492 + ... + 419187971.

Almost surely, 2^201210111120 is an apocalyptic number.

201210111120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201210111120 is an abundant number, since it is smaller than the sum of its proper divisors (422541234096).

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

201210111120 is a wasteful number, since it uses less digits than its factorization.

201210111120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 838375479 (or 838375473 counting only the distinct ones).

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

Adding to 201210111120 its reverse (21111012102), we get a palindrome (222321123222).

The spelling of 201210111120 in words is "two hundred one billion, two hundred ten million, one hundred eleven thousand, one hundred twenty".