201100102 has 16 divisors (see below), whose sum is σ = 345076992. Its totient is φ = 86102280.

The previous prime is 201100099. The next prime is 201100117. The reversal of 201100102 is 201001102.

It is a Harshad number since it is a multiple of its sum of digits (7).

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, 9327 + ... + 22117.

It is an arithmetic number, because the mean of its divisors is an integer number (21567312).

Almost surely, 2^201100102 is an apocalyptic number.

201100102 is a deficient number, since it is larger than the sum of its proper divisors (143976890).

201100102 is a wasteful number, since it uses less digits than its factorization.

201100102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13923.

The product of its (nonzero) digits is 4, while the sum is 7.

The square root of 201100102 is about 14180.9767646661. The cubic root of 201100102 is about 585.8738269280.

Adding to 201100102 its reverse (201001102), we get a palindrome (402101204).

The spelling of 201100102 in words is "two hundred one million, one hundred thousand, one hundred two".