2105531102 has 8 divisors (see below), whose sum is σ = 3243656136. Its totient is φ = 1024312392.

The previous prime is 2105531059. The next prime is 2105531137. The reversal of 2105531102 is 2011355012.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×2105531102² = 8866522442978668808, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14226488 + ... + 14226635.

It is an arithmetic number, because the mean of its divisors is an integer number (405457017).

Almost surely, 2^2105531102 is an apocalyptic number.

2105531102 is a deficient number, since it is larger than the sum of its proper divisors (1138125034).

2105531102 is a wasteful number, since it uses less digits than its factorization.

2105531102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28453162.

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 2105531102 is about 45886.0665344067. The cubic root of 2105531102 is about 1281.7024672911.

Adding to 2105531102 its reverse (2011355012), we get a palindrome (4116886114).

The spelling of 2105531102 in words is "two billion, one hundred five million, five hundred thirty-one thousand, one hundred two".