20111003332212 has 48 divisors (see below), whose sum is σ = 50537020161600. Its totient is φ = 6187795500288.

The previous prime is 20111003332201. The next prime is 20111003332219. The reversal of 20111003332212 is 21223330011102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20111003332219) 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, 2604664 + ... + 6856112.

It is an arithmetic number, because the mean of its divisors is an integer number (1052854586700).

Almost surely, 2^{20111003332212} is an apocalyptic number.

It is an amenable number.

20111003332212 is an abundant number, since it is smaller than the sum of its proper divisors (30426016829388).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20111003332212 is a wasteful number, since it uses less digits than its factorization.

20111003332212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4281792 (or 4281790 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 20111003332212 its reverse (21223330011102), we get a palindrome (41334333343314).

The spelling of 20111003332212 in words is "twenty trillion, one hundred eleven billion, three million, three hundred thirty-two thousand, two hundred twelve".