2102120224 has 24 divisors (see below), whose sum is σ = 4140566640. Its totient is φ = 1050547776.

The previous prime is 2102120221. The next prime is 2102120239. The reversal of 2102120224 is 4220212012.

It is a super-2 number, since 2×2102120224² = 8837818872299620352, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 2102120198 and 2102120207.

It is not an unprimeable number, because it can be changed into a prime (2102120221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55587 + ... + 85405.

It is an arithmetic number, because the mean of its divisors is an integer number (172523610).

Almost surely, 2^2102120224 is an apocalyptic number.

It is an amenable number.

2102120224 is a deficient number, since it is larger than the sum of its proper divisors (2038446416).

2102120224 is a wasteful number, since it uses less digits than its factorization.

2102120224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32032 (or 32024 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 2102120224 is about 45848.8846538277. The cubic root of 2102120224 is about 1281.0099906125.

Adding to 2102120224 its reverse (4220212012), we get a palindrome (6322332236).

The spelling of 2102120224 in words is "two billion, one hundred two million, one hundred twenty thousand, two hundred twenty-four".