212121102303303 has 8 divisors (see below), whose sum is σ = 283000908638448. Its totient is φ = 141327682085184.

The previous prime is 212121102303293. The next prime is 212121102303379. The reversal of 212121102303303 is 303303201121212.

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

It is not a de Polignac number, because 212121102303303 - 2¹³ = 212121102295111 is a prime.

It is a super-3 number, since 3×212121102303303³ (a number of 44 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212121102303703) 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, 21596523526 + ... + 21596533347.

It is an arithmetic number, because the mean of its divisors is an integer number (35375113579806).

Almost surely, 2^{212121102303303} is an apocalyptic number.

212121102303303 is a deficient number, since it is larger than the sum of its proper divisors (70879806335145).

212121102303303 is a wasteful number, since it uses less digits than its factorization.

212121102303303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43193058513.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 212121102303303 its reverse (303303201121212), we get a palindrome (515424303424515).

The spelling of 212121102303303 in words is "two hundred twelve trillion, one hundred twenty-one billion, one hundred two million, three hundred three thousand, three hundred three".