100302212121 has 16 divisors (see below), whose sum is σ = 135363035136. Its totient is φ = 66054949776.

The previous prime is 100302212119. The next prime is 100302212147. The reversal of 100302212121 is 121212203001.

It is not a de Polignac number, because 100302212121 - 2¹ = 100302212119 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 100302212121.

It is not an unprimeable number, because it can be changed into a prime (100302212921) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 2906856 + ... + 2941158.

It is an arithmetic number, because the mean of its divisors is an integer number (8460189696).

Almost surely, 2^100302212121 is an apocalyptic number.

It is an amenable number.

100302212121 is a deficient number, since it is larger than the sum of its proper divisors (35060823015).

100302212121 is a wasteful number, since it uses less digits than its factorization.

100302212121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46132.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 100302212121 its reverse (121212203001), we get a palindrome (221514415122).

The spelling of 100302212121 in words is "one hundred billion, three hundred two million, two hundred twelve thousand, one hundred twenty-one".