2102152206 has 64 divisors (see below), whose sum is σ = 5469659136. Its totient is φ = 522271200.

The previous prime is 2102152201. The next prime is 2102152219. The reversal of 2102152206 is 6022512012.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2102152201) 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, 88290 + ... + 109541.

It is an arithmetic number, because the mean of its divisors is an integer number (85463424).

Almost surely, 2^2102152206 is an apocalyptic number.

2102152206 is an abundant number, since it is smaller than the sum of its proper divisors (3367506930).

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

2102152206 is a wasteful number, since it uses less digits than its factorization.

2102152206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197877.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 2102152206 is about 45849.2334287063. The cubic root of 2102152206 is about 1281.0164870779.

Adding to 2102152206 its reverse (6022512012), we get a palindrome (8124664218).

The spelling of 2102152206 in words is "two billion, one hundred two million, one hundred fifty-two thousand, two hundred six".