2121130102 has 16 divisors (see below), whose sum is σ = 3915932832. Its totient is φ = 839128320.

The previous prime is 2121130079. The next prime is 2121130139. The reversal of 2121130102 is 2010311212.

It is a super-2 number, since 2×2121130102² = 8998385819221060808, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5827099 + ... + 5827462.

It is an arithmetic number, because the mean of its divisors is an integer number (244745802).

Almost surely, 2^2121130102 is an apocalyptic number.

2121130102 is a deficient number, since it is larger than the sum of its proper divisors (1794802730).

2121130102 is a wasteful number, since it uses less digits than its factorization.

2121130102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11654583.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 2121130102 is about 46055.7282213624. The cubic root of 2121130102 is about 1284.8598820709.

Adding to 2121130102 its reverse (2010311212), we get a palindrome (4131441314).

The spelling of 2121130102 in words is "two billion, one hundred twenty-one million, one hundred thirty thousand, one hundred two".