201120000102 has 144 divisors (see below), whose sum is σ = 517385572704. Its totient is φ = 56282688000.

The previous prime is 201120000089. The next prime is 201120000119. The reversal of 201120000102 is 201000021102.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 12958527 + ... + 12974037.

It is an arithmetic number, because the mean of its divisors is an integer number (3592955366).

Almost surely, 2^201120000102 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 201120000102, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (258692786352).

201120000102 is an abundant number, since it is smaller than the sum of its proper divisors (316265572602).

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

201120000102 is a wasteful number, since it uses less digits than its factorization.

201120000102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15835 (or 15825 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 201120000102 its reverse (201000021102), we get a palindrome (402120021204).

The spelling of 201120000102 in words is "two hundred one billion, one hundred twenty million, one hundred two", and thus it is an aban number.