2221312132333 has 32 divisors (see below), whose sum is σ = 2700222220800. Its totient is φ = 1783826939904.

The previous prime is 2221312132309. The next prime is 2221312132337. The reversal of 2221312132333 is 3332312131222.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2221312132333 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221312132337) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 47655603 + ... + 47702191.

It is an arithmetic number, because the mean of its divisors is an integer number (84381944400).

Almost surely, 2^{2221312132333} is an apocalyptic number.

It is an amenable number.

2221312132333 is a deficient number, since it is larger than the sum of its proper divisors (478910088467).

2221312132333 is a wasteful number, since it uses less digits than its factorization.

2221312132333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48429.

The product of its digits is 7776, while the sum is 28.

Adding to 2221312132333 its reverse (3332312131222), we get a palindrome (5553624263555).

The spelling of 2221312132333 in words is "two trillion, two hundred twenty-one billion, three hundred twelve million, one hundred thirty-two thousand, three hundred thirty-three".