2221213100652 has 192 divisors, whose sum is σ = 7504551613440. Its totient is φ = 551354729472.

The previous prime is 2221213100647. The next prime is 2221213100653. The reversal of 2221213100652 is 2560013121222.

2221213100652 is a `hidden beast` number, since 2 + 2 + 2 + 1 + 2 + 1 + 3 + 1 + 0 + 0 + 652 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (2221213100653) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6480238 + ... + 6814389.

It is an arithmetic number, because the mean of its divisors is an integer number (39086206320).

Almost surely, 2^{2221213100652} is an apocalyptic number.

It is an amenable number.

2221213100652 is an abundant number, since it is smaller than the sum of its proper divisors (5283338512788).

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

2221213100652 is a wasteful number, since it uses less digits than its factorization.

2221213100652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13294677 (or 13294669 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

Adding to 2221213100652 its reverse (2560013121222), we get a palindrome (4781226221874).

The spelling of 2221213100652 in words is "two trillion, two hundred twenty-one billion, two hundred thirteen million, one hundred thousand, six hundred fifty-two".