2311213211022 has 64 divisors (see below), whose sum is σ = 4853588511744. Its totient is φ = 732299040000.

The previous prime is 2311213210993. The next prime is 2311213211023. The reversal of 2311213211022 is 2201123121132.

2311213211022 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 2311213211022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2311213211023) 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, 102704772 + ... + 102727272.

It is an arithmetic number, because the mean of its divisors is an integer number (75837320496).

Almost surely, 2^{2311213211022} is an apocalyptic number.

2311213211022 is an abundant number, since it is smaller than the sum of its proper divisors (2542375300722).

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

2311213211022 is a wasteful number, since it uses less digits than its factorization.

2311213211022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27153.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 2311213211022 its reverse (2201123121132), we get a palindrome (4512336332154).

The spelling of 2311213211022 in words is "two trillion, three hundred eleven billion, two hundred thirteen million, two hundred eleven thousand, twenty-two".