2102212102 has 16 divisors (see below), whose sum is σ = 3178113120. Its totient is φ = 1042861248.

The previous prime is 2102212043. The next prime is 2102212109. The reversal of 2102212102 is 2012122012.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2102212109) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 223674 + ... + 232882.

It is an arithmetic number, because the mean of its divisors is an integer number (198632070).

Almost surely, 2^2102212102 is an apocalyptic number.

2102212102 is a deficient number, since it is larger than the sum of its proper divisors (1075901018).

2102212102 is a wasteful number, since it uses less digits than its factorization.

2102212102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10095.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 2102212102 is about 45849.8866083658. The cubic root of 2102212102 is about 1281.0286535034.

Adding to 2102212102 its reverse (2012122012), we get a palindrome (4114334114).

It can be divided in two parts, 21022 and 12102, that added together give a square (33124 = 182²).

The spelling of 2102212102 in words is "two billion, one hundred two million, two hundred twelve thousand, one hundred two".