2221112101204 has 24 divisors (see below), whose sum is σ = 4115682339048. Its totient is φ = 1045205790720.

The previous prime is 2221112101199. The next prime is 2221112101213. The reversal of 2221112101204 is 4021012111222.

It can be written as a sum of positive squares in 4 ways, for example, as 3931540804 + 2217180560400 = 62702^2 + 1489020^2 .

It is a super-2 number, since 2×2221112101204² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2902194 + ... + 3586774.

It is an arithmetic number, because the mean of its divisors is an integer number (171486764127).

Almost surely, 2^{2221112101204} is an apocalyptic number.

It is an amenable number.

2221112101204 is a deficient number, since it is larger than the sum of its proper divisors (1894570237844).

2221112101204 is a wasteful number, since it uses less digits than its factorization.

2221112101204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 732315 (or 732313 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 2221112101204 its reverse (4021012111222), we get a palindrome (6242124212426).

The spelling of 2221112101204 in words is "two trillion, two hundred twenty-one billion, one hundred twelve million, one hundred one thousand, two hundred four".