2100102 has 16 divisors (see below), whose sum is σ = 4303152. Its totient is φ = 682880.

The previous prime is 2100097. The next prime is 2100113. The reversal of 2100102 is 2010012.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (6).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4023 + ... + 4514.

It is an arithmetic number, because the mean of its divisors is an integer number (268947).

2^2100102 is an apocalyptic number.

2100102 is an abundant number, since it is smaller than the sum of its proper divisors (2203050).

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

2100102 is a wasteful number, since it uses less digits than its factorization.

2100102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8583.

The product of its (nonzero) digits is 4, while the sum is 6.

The square root of 2100102 is about 1449.1728675351. The cubic root of 2100102 is about 128.0599897838.

Adding to 2100102 its reverse (2010012), we get a palindrome (4110114).

It can be divided in two parts, 210010 and 2, that added together give a palindrome (210012).

The spelling of 2100102 in words is "two million, one hundred thousand, one hundred two".