300212001221111 has 16 divisors (see below), whose sum is σ = 343161598824000. Its totient is φ = 257277950189568.

The previous prime is 300212001221107. The next prime is 300212001221113. The reversal of 300212001221111 is 111122100212003.

It is a happy number.

It is not a de Polignac number, because 300212001221111 - 2² = 300212001221107 is a prime.

It is a super-2 number, since 2×300212001221111² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 300212001221111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (300212001221113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 881123915 + ... + 881464563.

It is an arithmetic number, because the mean of its divisors is an integer number (21447599926500).

Almost surely, 2^{300212001221111} is an apocalyptic number.

300212001221111 is a deficient number, since it is larger than the sum of its proper divisors (42949597602889).

300212001221111 is a wasteful number, since it uses less digits than its factorization.

300212001221111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 363098.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 300212001221111 its reverse (111122100212003), we get a palindrome (411334101433114).

The spelling of 300212001221111 in words is "three hundred trillion, two hundred twelve billion, one million, two hundred twenty-one thousand, one hundred eleven".