2102120302 has 4 divisors (see below), whose sum is σ = 3153180456. Its totient is φ = 1051060150.

The previous prime is 2102120297. The next prime is 2102120387. The reversal of 2102120302 is 2030212012.

It is a semiprime because it is the product of two primes.

It is a super-3 number, since 3×2102120302³ (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 525530074 + ... + 525530077.

It is an arithmetic number, because the mean of its divisors is an integer number (788295114).

Almost surely, 2^2102120302 is an apocalyptic number.

2102120302 is a deficient number, since it is larger than the sum of its proper divisors (1051060154).

2102120302 is a wasteful number, since it uses less digits than its factorization.

2102120302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1051060153.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 2102120302 is about 45848.8855044482. The cubic root of 2102120302 is about 1281.0100064566.

Adding to 2102120302 its reverse (2030212012), we get a palindrome (4132332314).

The spelling of 2102120302 in words is "two billion, one hundred two million, one hundred twenty thousand, three hundred two".